clap
noun
°The act of striking the palms of the hands, or any two surfaces, together.
"He summoned the waiter with a clap."
°Any loud, sudden, explosive sound made by striking hard surfaces together, or resembling such a sound.
"She shut her diary with a loud clap."
verb
°To strike the palms of the hands together, creating a sharp sound.
"The children began to clap in time with the music."
°To applaud.
"The audience loudly clapped the actress, who responded with a deep curtsey."