sb. Obs. exc. dial. [? corruption of BASS sb.2; but cf. Du. bos bottle of straw.] A seat consisting of or resembling a bundle of straw; a hassock.
1695. Westmacott, Script. Herb., 179. Bull-Rushes make Bosses and Bed-mats best.
1727. Swift, Gulliver, IV. ii. Round which they sat on their haunches upon bosses of straw.
1841. S. C. Hall, Ireland, I. 83. The family sit on stools and bosses (the boss is a low seat made of straw).