CLAP

I. verb (~ped; also ~t; ~ping) Etymology: Middle English ~pen, from Old English clæppan to throb; akin to Old High German klaphōn to beat Date: 14th century transitive verb to strike (as two flat hard surfaces) together so as to produce a sharp percussive noise, 2. to strike (the hands) together repeatedly usually in applause, applaud , to strike with the flat of the hand in a friendly way , to place, put, or set especially energetically , to improvise or build hastily , intransitive verb to produce a percussive sound, to go abruptly or briskly, applaud , II. noun Date: 13th century a device that makes a ~ping noise, a sudden stroke of fortune and especially ill fortune, a loud percussive noise, 4. a sudden blow, a friendly slap , the sound of ~ping hands, III. noun Etymology: Middle French ~oir bubo Date: 1587 gonorrhea