THRASHER Meaning of THRASHER in English 1. n.1 a person or thing that thrashes. 2 THRESHER.2. n. any of various long-tailed N. American thrushlike birds of the family Mimidae. Etymology: perh. f. E dial. thrusher THRUSH(1) Oxford English vocab. Оксфордский английский словарь. 2012