Musci n 1: true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales [syn: {Bryopsida}, {class Bryopsida}, {Musci}, {class Musci}]
Musci \Mus"ci\, n. pl. [L. muscus moss.] (Bot.) An order or subclass of cryptogamous plants; the mosses. See {Moss}, and {Cryptogamia}. [1913 Webster]