plumous,a.rare.|ˈpluːməs| [ad. L. plūmōsus, F. plumeux: see plumose and -ous.] Feathery, downy. 1822T. Taylor Apuleius x. 254 What was intended also to be our genial bed,..was tumid with a plumous heap, and florid with a silken coverlet.1858Mayne Expos.Lex., Plumosus.., plumous.