clap one's hands together; "The children were clapping to the music" strike together so as to produce a sharp percussive noise; "clap two boards together" strike with the flat of the hand; usually in a friendly way, as in encouragement or greeting put quickly or forcibly; "The judge clapped him in jail" strike the air in flight; "the wings of the birds clapped loudly" cause to strike the air in flight; "The big bird clapped its wings
To manifest approbation of, by striking the hands together; to applaud; as, to clap a performance
strike with the flat of the hand; usually in a friendly way, as in encouragement or greeting