The Collaborative International Dictionary
Sericeous \Se*ri"ceous\, a. [L. sericus silken, sericum Seric stuff, silk, fr. Sericus belonging to the Seres, Gr. ???, a people of Eastern Asia, the modern Chinese, celebrated for their silken fabrics. Cf. Silk, Serge a woolen stuff.]
Of or pertaining to silk; consisting of silk; silky.
(Bot.) Covered with very soft hairs pressed close to the surface; as, a sericeous leaf.
(Zo["o]l.) Having a silklike luster, usually due to fine, close hairs.
Wiktionary
a. 1 Of or relating to silk; consisting of silk; silky. 2 (context botany English) Covered with very soft hairs pressed close to the surface. 3 (context zoology English) Having a silky lustre, usually due to fine, close hairs.
WordNet
adj. covered with fine soft hairs or down; "downy milkweed seeds" [syn: downy, pubescent, puberulent]