*hassock*

n. [ Scot. hassock, hassik, a besom, anything bushy, a large, round turf used as a seat, OE. hassok sedgy ground, W. hesgog sedgy, hesg sedge, rushes; cf. Ir. seisg, and E. sedge. ] 1. A rank tuft of bog grass; a tussock. Forby. [ 1913 Webster ]

2. A small stuffed cushion or footstool, for kneeling on in church, or for home use. [ 1913 Webster ]

And knees and hassocks are well nigh divorced. Cowper. [ 1913 Webster ]