clapclap1 /klæp/ ●●● verb (clapped, clapping) 1[intransitive, transitive] to hit your hands together loudly and continuously to show that you approve of something, or want to attract someone’s attention: The audience was clapping and cheering. The coach clapped his hands and yelled, “OK, listen up!”2clap somebody on the back/shoulder to hit someone on the back or shoulder with your hand in a friendly way—clapping noun [uncountable]