HASSOCK Meaning of HASSOCK in English [ 'hasək ]■ noun1》 a cushion for kneeling on in church. ↘ N. Amer. a footstool. 2》 a firm clump of grass or vegetation in marshy ground.OriginOE hassuc , of unknown origin. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004