From WordNet (r) 3.0 (2006):
clap
n 1: a sudden very loud noise [syn: bang, clap, eruption,
blast, bam]
2: a common venereal disease caused by the bacterium Neisseria
gonorrhoeae; symptoms are painful urination and pain around
the urethra [syn: gonorrhea, gonorrhoea, clap]
3: a sharp abrupt noise as if two objects hit together; may be
repeated [syn: clack, clap]
v 1: put quickly or forcibly; "The judge clapped him in jail"
2: cause to strike the air in flight; "The big bird clapped its
wings"
3: clap one's hands or shout after performances to indicate
approval [syn: applaud, clap, spat, acclaim] [ant:
boo, hiss]
4: clap one's hands together; "The children were clapping to the
music" [syn: clap, spat]
5: strike the air in flight; "the wings of the birds clapped
loudly"
6: strike with the flat of the hand; usually in a friendly way,
as in encouragement or greeting
7: strike together so as to produce a sharp percussive noise;
"clap two boards together"