a thick, firmly padded cushion, in particular 厚垫,尤指 ■(chiefly Brit.)a cushion for kneeling on in church, while at prayer (主英)(教堂里祈祷用的)跪垫 ■(N. Amer.)a footstool (北美)脚凳
a firm clump of grass or matted vegetation in marshy or boggy ground (沼泽或湿地中的)草丛;乱成一堆的潮湿植物
语源
Old English hassuc (in sense 2), of unknown origin