laugh in WordNet English dictionary

1. produce laughter
   laugh  express joy  express mirth 
   

1. a humorous anecdote or remark intended to provoke laughter
   "he told a very funny joke"; "he knows a million gags"; "thanks for the laugh"; "he laughed unpleasantly at his own jest"; "even a schoolboy's jape is supposed to have some ascertainable point"
   joke  gag  laugh  jest  jape 
   
2. the sound of laughing
   laugh  laughter 
   
3. a facial expression characteristic of a person laughing
   "his face wrinkled in a silent laugh of derision"
   laugh