clap1 past tense and past participle clapped, present participle clapping
1 [intransitive and transitive]
to hit your hands against each other many times to make a sound that shows your approval, agreement, or enjoyment [↪ applause]:
One man began to clap, and others joined in.
The couple were cheered and clapped on their arrival.
The audience clapped politely but without much enthusiasm.
if you clap your hands, you hit your hands together a few times to attract someone's attention or to show that you are pleased:
Narouz clapped his hands and a servant entered.
Mandy laughed and clapped her hands in delight.
to put your hand on something quickly and firmly:
'Mick!' She clapped her hand over her mouth. 'I'd forgotten!'
Ben grinned and clapped me amiably on the shoulder.
4 British English informal
to see someone or something, especially when you did not expect to:
Mark had loved the house from the moment he clapped eyes on it.
to suddenly put someone in prison or chains
—clapping noun [uncountable]
Each song was greeted with enthusiastic clapping.