Source : Webster's Revised Unabridged Dictionary (1913)

Muscoid \Mus"coid\, a. [Muscus + -oid: cf. F. muscoide.] (Bot.)
   Mosslike; resembling moss.

Muscoid \Mus"coid\, n. (Bot.)
   A term formerly applied to any mosslike flowerless plant,
   with a distinct stem, and often with leaves, but without any
   vascular system.