[moss] n [ME, fr. OE mos; akin to OHG mos moss, L muscus] (bef. 12c) 1 chiefly Scot: bog, swamp; esp: a peat bog
2. a: any of a class (Musci) of bryophytic plants having a small leafy often tufted stem bearing sex organs at its tip; also: a clump or sward of these plants b: any of various plants resembling moss in appearance or habit of growth
3: a mossy covering -- moss.like adj
[2]moss vt (15c): to cover or overgrow with moss