'In joke' definitions:

Definition of 'In joke'

From: GCIDE
  • Joke \Joke\, n. [L. jocus. Cf Jeopardy, Jocular, Juggler.] [1913 Webster]
  • 1. Something said for the sake of exciting a laugh; something witty or sportive (commonly indicating more of hilarity or humor than jest); a jest; a witticism; as, to crack good-natured jokes. [1913 Webster]
  • And gentle dullness ever loves a joke. --Pope. [1913 Webster]
  • Or witty joke our airy senses moves To pleasant laughter. --Gay. [1913 Webster]
  • 2. Something not said seriously, or not actually meant; something done in sport. [1913 Webster]
  • Inclose whole downs in walls, 't is all a joke. --Pope. [1913 Webster]
  • In joke, in jest; sportively; not meant seriously.
  • Practical joke. See under Practical. [1913 Webster]