What does "joke" mean?

Joke: Something not said seriously, or not actually meant; something done in sport. Inclose whole downs in walls, 't is all a joke. Pope. In joke, in jest; sportively; not meant seriously. -- Practical joke. See under Practical.

Additional senses

  1. 2.To make merry with; to make jokes upon; to rally; to banter; as, to joke a comrade.
  2. 3.To do something for sport, or as a joke; to be merry in words or actions; to jest. He laughed, shouted, joked, and swore. Macaulay. See Jest.

Sources