hassock
/ˈhæsək/noun
1
- a thick, firmly padded cushion, in particular厚垫, 尤指：
1.1
- chiefly Brit. a cushion for kneeling on in church, while at prayer〈主英〉（教堂里祈祷用的）跪垫。
1.2
- N. Amer. a footstool〈北美〉脚凳。
2
- a firm clump of grass or matted vegetation in marshy or boggy ground（沼泽或湿地中的）草丛; 缠结成堆的植物。
词源
Old English hassuc (in sense 2), of unknown origin.