catflap.org Online Dictionary Query

  wait on sb. /wˈeɪt ˌɒn ˌɛsbˈiː/
  jdn. bedienen  [econ.]
           Note: Kunden
     Synonyms: attend to sb., serve sb.
  
   see: attending, waiting, serving, attended, waited, served, attend to a customer, wait on a customer, serve a customer
  

  wait on sb. /wˈeɪt ˌɒn ˌɛsbˈiː/
  jdn. (bei Tisch) bedienen, jdm. aufwarten  [veraltet]  [cook.]
     Synonym: serve sb.
  
   see: serving, waiting, served, waited
  

  wait on sb. /wˈeɪt ˌɒn ˌɛsbˈiː/
  jdn. bedienen, jdm. zu Diensten sein  [geh.]  [soc.]
   see: waiting on, waited on, He makes her wait on him hand and foot.