GROAT Meaning of GROAT in English n. hist. 1 a silver coin worth four old pence. 2 archaic a small sum (don't care a groat). [ ME f. MDu. groot, orig. = great, i.e. thick (penny): cf. GROSCHEN ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012