joke

n. 1 thing said or done to cause laughter; witticism. 2 ridiculous person or thing. v. (-king) make jokes; tease (only joking).  no joke colloq. Serious matter.  jokingly adv. Joky adj. (also jokey). Jokily adv. Jokiness n. [probably latin jocus jest]

n. 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.