gag

v. t.

  1. To stop the mouth of, by thrusting sometimes in, so as to hinder speaking; hence, to silence by authority or by violence; not to allow freedom of speech to.
  2. To pry or hold open by means of a gag.
  3. To cause to heave with nausea.

v. i.

  1. To heave with nausea; to retch.
  2. To introduce gags or interpolations. See Gag, n., 3.

n.

  1. Something thrust into the mouth or throat to hinder speaking.
  2. A mouthful that makes one retch; a choking bit; as, a gag of mutton fat.
  3. A speech or phrase interpolated offhand by an actor on the stage in his part as written, usually consisting of some seasonable or local allusion.