n. A small herbaceous plant of the natural order Musci, with simple or branching stems and numerous generally narrow leaves: usually applied to a matted mass of such plants growing together; also, in popular use, any small cryptogamic plant, particularly a lichen: as, Iceland moss, club-moss, rock-moss, coral-moss, etc., and sometimes small matted phanerogams, as Pyxidanthera.n. Money: in allusion to the proverb, “a rolling stone gathers no moss.”To cover with moss.To become mossy; gather moss.n. A swamp or bog; specifically, a peatbog or a tract of such bogs; also, peat.n. An erroneous form of morse.n. The widow's-cross, Sedum pulchellum.n. The haircap-moss, Polytrichum juniperinum.n. Same as golden moss .n. Same as flowering moss .To fill with moss, as the crevices between the logs in a logging-camp.