THRESHER Meaning of THRESHER in English transcription, транскрипция: [ ˈθreʃə ]n. 1 a person or machine that threshes. 2 a shark, Alopias vulpinus, with a long upper lobe to its tail, that it can lash about. English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012