B1[I or T]to make a short loud noise by hitting your hands together: "When I clap my hands, you must stand still," said the teacher.The band played a familiar tune which had everyone clapping along.The audience clapped in time to the music.Sounds made by objects, movement or impactB1[I or T]to clap your hands repeatedly to show that you like or admire someone or have enjoyed a performance: The audience clapped and cheered when she stood up to speak.We all clapped his performance enthusiastically.Praising and applaudingExaggerating and playing down