Meaning

noun someone who applauds

noun a mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity

noun metal striker that hangs inside a bell and makes a sound by hitting the side

originEtymology tree English clap Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English clapper From clap + -er.

Etymology from Wiktionary, CC BY-SA 3.0