Simple past tense and past participle of clap.(verb)
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Use "clapped" in a sentence
"The speaking of his name clapped him on horseback -- the only horseback he ever knew."
"When I looked at him my heart inclined to him and I loved him; and he sat by my side and talked with me a while, when the young lady again clapped her hands and behold, a side door opened and out of it came the Kazi with his four assessors as witnesses; and they saluted us and, sitting down, drew up and wrote out the marriage contract between me and the youth and retired."
"Thereupon the captain clapped hand to sword and smote the speaker’s head, nor did he leave smiting the rest of the sailors till he had slain them all, one after other, and cast the ten bodies ashore."