Meaning

noun a person who repeats

noun someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)

noun a firearm that can fire several rounds without reloading

originEtymology tree English repeat 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 repeater From repeat + -er.

Etymology from Wiktionary, CC BY-SA 3.0