Source : Webster's Revised Unabridged Dictionary (1913)

   {To wait on} or {upon}.
      (a) To attend, as a servant; to perform services for; as,
          to wait on a gentleman; to wait on the table.
          ``Authority and reason on her wait.'' --Milton. ``I
          must wait on myself, must I?'' --Shak.
      (b) To attend; to go to see; to visit on business or for
          ceremony.
      (c) To follow, as a consequence; to await. ``That ruin
          that waits on such a supine temper.'' --Dr. H. More.
      (d) To look watchfully at; to follow with the eye; to
          watch. [R.] ``It is a point of cunning to wait upon
          him with whom you speak with your eye.'' --Bacon.
      (e) To attend to; to perform. ``Aaron and his sons . . .
          shall wait on their priest's office.'' --Num. iii. 10.
      (f) (Falconry) To fly above its master, waiting till game
          is sprung; -- said of a hawk. --Encyc. Brit.