HUMMOCK Meaning of HUMMOCK in English ■ noun a hillock or knoll. ↘a hump or ridge in an ice field. ↘ N. Amer. a piece of forested ground rising above a marsh.Derivatives~y adjective OriginC16: of unknown origin. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004