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2 definitions found

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


  Disk \Disk\ (d[i^]sk), n. [L. discus, Gr. di`skos. See Dish.]
     [Written also disc.]
     1. A discus; a quoit.
        [1913 Webster]
  
              Some whirl the disk, and some the javelin dart.
                                                    --Pope.
        [1913 Webster]
  
     2. A flat, circular plate; as, a disk of metal or paper.
        [1913 Webster]
  
     3. (Astron.) The circular figure of a celestial body, as seen
        projected of the heavens.
        [1913 Webster]
  
     4. (Biol.) A circular structure either in plants or animals;
        as, a blood disk; germinal disk, etc.
        [1913 Webster]
  
     5. (Bot.)
        (a) The whole surface of a leaf.
        (b) The central part of a radiate compound flower, as in
            sunflower.
        (c) A part of the receptacle enlarged or expanded under,
            or around, or even on top of, the pistil.
            [1913 Webster]
  
     6. (Zo["o]l.)
        (a) The anterior surface or oral area of c[oe]lenterate
            animals, as of sea anemones.
        (b) The lower side of the body of some invertebrates,
            especially when used for locomotion, when it is often
            called a creeping disk.
        (c) In owls, the space around the eyes.
            [1913 Webster]
  
     Disk engine, a form of rotary steam engine.
  
     Disk shell (Zo["o]l.), any species of Discina.
        [1913 Webster]

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


  Disk \Disk\, n. [L. discus, Gr. ?. See Dish.] [Written also
     disc.]
     1. A discus; a quoit.
  
              Some whirl the disk, and some the javelin dart.
                                                    --Pope.
  
     2. A flat, circular plate; as, a disk of metal or paper.
  
     3. (Astron.) The circular figure of a celestial body, as seen
        projected of the heavens.
  
     4. (Biol.) A circular structure either in plants or animals;
        as, a blood disk; germinal disk, etc.
  
     5. (Bot.)
        (a) The whole surface of a leaf.
        (b) The central part of a radiate compound flower, as in
            sunflower.
        (c) A part of the receptacle enlarged or expanded under,
            or around, or even on top of, the pistil.
  
     6. (Zo["o]l.)
        (a) The anterior surface or oral area of c[oe]lenterate
            animals, as of sea anemones.
        (b) The lower side of the body of some invertebrates,
            especially when used for locomotion, when it is often
            called a creeping disk.
        (c) In owls, the space around the eyes.
  
     Disk engine, a form of rotary steam engine.
  
     Disk shell (Zo["o]l.), any species of Discina.

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