Lewis Short
(adj.adv.) : muscōsus, a, um, adj.muscus
* Full of moss, mossy: prata,Varr. R. R. 1, 9, 5: fontes,Verg. E. 7, 45.—Comp.: nihil alsius, nihil muscosius,Cic. Q. Fr. 3, 1, 2, § 5.—Hence, adv.: muscōsē, mossily, Sid. Carm. 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary