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From The Free On-line Dictionary of Computing (27 SEP 03) : [ foldoc ]

bus

One of the sets of conductors (wires, PCB
tracks or connections in an integrated circuit) connecting
the various functional units in a computer. There are
busses both within the CPU and connecting it to external
memory and peripheral devices. The data bus, address bus
and control signals, despite their names, really constitute a
single bus since each is useless without the others.

The width of the data bus, i.e. the number of parallel
connectors, and its clock rate determine its data rate (the
number of bytes per second which it can carry). This is one
of the factors limiting a computer's performance. Most
current microprocessors have 32-bit busses both internally
and externally. 100 or 133 megahertz bus clock rates are
common. The bus clock is typically slower than the processor
clock.

Some processors have internal busses which are wider than
their external busses (usually twice the width) since the
width of the internal bus affects the speed of all operations
and has less effect on the overall system cost than the width
of the external bus.

Various bus designs have been used in the PC, including
ISA, EISA, Micro Channel, VL-bus and PCI. Other
peripheral busses are NuBus, TURBOchannel, VMEbus, MULTIBUS and
STD bus.

Some networks are implemented as a bus at the physical
layer, e.g. Ethernet - a one-bit bus operating at 10 (or
later 100) megabits per second.

The term is almost certainly derived from the electrical
engineering term "bus bar" - a substantial, rigid power supply
conductor to which several connections are made. This was
once written "'bus bar" as it was a contraction of "omnibus
bar" - a connection bar "for all", by analogy with the
passenger omnibus - a conveyance "for all".

More on derivation
http://www.foldoc.org/pub/omnibus.html)" rel="nofollow">(http://www.foldoc.org/pub/omnibus.html).

(2000-03-20)

From The Collaborative International Dictionary of English v.0.44 : [ gcide ]


  Bus \Bus\, n. [Abbreviated from omnibus.]
     An omnibus. [Colloq.]
     [1913 Webster]

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) : [ vera ]


  BUS
       Broadcast and Unknown Server (ATM, LANE)

From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]


  Bus \Bus\, n. [Abbreviated from omnibus.]
     An omnibus. [Colloq.]

From WordNet (r) 2.0 : [ wn ]


  bus
       n 1: a vehicle carrying many passengers; used for public
            transport; "he always rode the bus to work" [syn: autobus,
             coach, charabanc, double-decker, jitney, motorbus,
             motorcoach, omnibus]
       2: the topology of a network whose components are connected by
          a busbar [syn: bus topology]
       3: an electrical conductor that makes a common connection
          between several circuits; "the busbar in this computer can
          transmit data either way between any two components of the
          system" [syn: busbar]
       4: a car that is old and unreliable; "the fenders had fallen
          off that old bus" [syn: jalopy, heap]
       v 1: send or move around by bus; "The children were bussed to
            school"
       2: ride in a bus
       3: remove used dishes from the table in restaurants
       [also: busses (pl)]

From Greek Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-el-ALL-2023-07-27 ]


  bus
     Γαλλικά n.
     (ετ οικείο fr) το λεωφορείο, το πούλμαν

From Greek Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-el-ALL-2023-07-27 ]


  Bus
     Γερμανικά n.
     το λεωφορείο

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  'bus
     n.
     (archaic form of en bus)

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  bus
     Afrikaans n.
     (lb af automotive) #English
     Catalan n.
     diver
     Catalan n.
     (lb ca archaic) a large sailing ship used in the 12th and 13th
  centuries, broad of beam and with two or three masts
     Catalan n.
     (lb ca archaic) flattery
     Catalan n.
     (l en bus) (gloss: vehicle)
     Catalan n.
     (l en bus) (gloss: electrical connector)
     Czech n.
     (l en bus) (gloss: motor vehicle for transporting large numbers of
  people along roads)
     Czech n.
     (lb cs computing) (l en bus) (gl: an electrical interface connecting
  two or more components)
     Dutch n.
     1 (lb nl transport) #English, omnibus (gloss: vehicle)
     2 (lb nl transport in diminutive) minibus, minivan
     3 #English (gloss: electrical conductor)
     Dutch n.
     1 A container, a box, a tin.
     2 A bushing.
     3 (lb nl chiefly historical) One of a variety of early modern
  firearms, such as flintlock and matchlock guns.
     4 (lb nl dated Netherlands) A voluntary sick fund, especially before
  the introduction of universal health care in the Netherlands in the
  1940s.
     Dutch vb.
     (infl of nl bussen  1 s pres ind ; imp)
     Indonesian n.
     (l en bus): a motor vehicle for transporting large numbers of people
  along roads.
     Indonesian n.
     wind
     Lithuanian vb.
     1 (verb form of lt būti  3s fut)
     2 (verb form of lt būti  3p fut)
     3 (verb form of lt busti  3s fut)
     4 (verb form of lt busti  3p fut)
     Maltese vb.
     (inflection of mt bies  2 s imperative)
     n.
     1 (lb en automotive) A motor vehicle for transporting large numbers
  of people along roads; by extension, the driver of said vehicle
     2 An electrical conductor or interface serving as a common connection
  for two or more circuits or components.
     3 Part of a MIRV missile, having on-board motors used to deliver the
  warhead to a target.
     4 (lb en medical industry slang) An ambulance.
     vb.
     1 (lb en transitive automotive transport) To transport via a motor
  bus.
     2 (lb en transitive automotive transport chiefly US) To transport
  students to school, often to a more distant school for the purposes of
  achieving racial integration.
     Polish n.
     (lb pl colloquial) #English
     Scottish Gaelic n.
     1 mouth
     2 pout (gloss: facial expression)
     Scottish Gaelic n.
     #English
     Spanish n.
     (clipping of es autobús nodot=1); (l en bus)
     Tagalog n.
     1 (l en bus) (gl: vehicle)
     2 (l en bus) (gloss: electrical conductor)
     West Flemish n.
     forest
     West Flemish n.
     #English

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  bus.
     n.
     (abbreviation of en business)

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  bus’
     Danish n.
     (inflection of da bus  indef gen s)

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  Bus
     German n.
     1 m bus (gloss: public transport)
     2 m (lb de computing) bus (gloss: on a computer mainboard)
     Luxembourgish n.
     bus

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  Bus.
     n.
     (lb en legal) (abbreviation of en business)

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  ꝗbus
     Latin a.
     (lb la Medieval Latin New Latin) (scrib of la quibus)
     Latin pron.
     (lb la Medieval Latin New Latin) (scrib of la quibus)

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  'bus
     n.
     (archaic form of en bus)

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  bus
     n.
     1 (lb en automotive) A motor vehicle for transporting large numbers
  of people along roads; by extension, the driver of said vehicle
     2 An electrical conductor or interface serving as a common connection
  for two or more circuits or components.
     3 Part of a MIRV missile, having on-board motors used to deliver the
  warhead to a target.
     4 (lb en medical industry slang) An ambulance.
     vb.
     1 (lb en transitive automotive transport) To transport via a motor
  bus.
     2 (lb en transitive automotive transport chiefly US) To transport
  students to school, often to a more distant school for the purposes of
  achieving racial integration.

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  bus.
     n.
     (abbreviation of en business)

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  Bus.
     n.
     (lb en legal) (abbreviation of en business)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  'bus
     n.
     (archaic form of en bus)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  bus
     Czech n.
     (l en bus) (gloss: motor vehicle for transporting large numbers of
  people along roads)
     Czech n.
     (lb cs computing) (l en bus) (gl: an electrical interface connecting
  two or more components)
     Danish n.
     #English, coach
     French n.
     (l en bus)
     French part.p.
     (masculine plural of fr bu)
     French vb.
     (inflection of fr boire  1//2 s phis)
     Lithuanian vb.
     1 (verb form of lt būti  3s fut)
     2 (verb form of lt būti  3p fut)
     3 (verb form of lt busti  3s fut)
     4 (verb form of lt busti  3p fut)
     Middle Irish n.
     (lb mga rare poetic) lip
     Polish n.
     (lb pl colloquial) #English
     Spanish n.
     (clipping of es autobús nodot=1); (l en bus)
     West Flemish n.
     forest
     West Flemish n.
     #English

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  bus.
     n.
     (abbreviation of en business)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  bus’
     Danish n.
     (inflection of da bus  indef gen s)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  Bus
     German n.
     1 m bus (gloss: public transport)
     2 m (lb de computing) bus (gloss: on a computer mainboard)
     Luxembourgish n.
     bus

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  Bus.
     n.
     (lb en legal) (abbreviation of en business)

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  ꝗbus
     Latin a.
     (lb la Medieval Latin New Latin) (scrib of la quibus)
     Latin pron.
     (lb la Medieval Latin New Latin) (scrib of la quibus)