| n. pl. | 1. | (Bot.) An order or subclass of cryptogamous plants; the mosses. See Moss, and Cryptogamia. |
| Noun | 1. | Musci - true mosses: bryophytes having leafy rather than thalloid gametophytes: comprises orders Andreaeales; Bryales; Dicranales; Eubryales; Sphagnales |
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