POACH Meaning of POACH in English v.tr. 1 cook (an egg) without its shell in or over boiling water. 2 cook (fish etc.) by simmering in a small amount of liquid. poacher n.[ ME f. OF pochier f. poche POKE(2) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012