hassock

UK: /ˈhæsək/ US: /ˈhæsək/ ,(has′ək)

WordReference Random House Learner's Dictionary of American English © 2025

has•sock /ˈhæsək/   n. [countable]

1. Furniture a thick, firm cushion used as a footstool or for kneeling.

WordReference Random House Unabridged Dictionary of American English © 2025

has•sock  (has′ək), n. 

1. Furniture a thick, firm cushion used as a footstool or for kneeling.
2. Furniture ottoman (def. 6).
3. Botany a rank tuft of coarse grass or sedge, as in a bog.

• bef. 1000; Middle English; Old English hassuc coarse grass

Collins Concise English Dictionary © HarperCollins Publishers::

hassock / ˈhæsək/ noun

1. a firm upholstered cushion used for kneeling on, esp in church
2. a thick clump of grass

Etymology: Old English hassuc matted grass