W. Montagu.
De*riv"er (?), n. One who derives.
Derk (?), a. Dark. [Obs.] Chaucer.
-derm (?). [See Derm, n.] A suffix or terminal formative, much used in anatomical terms, and signifying skin, integument, covering; as, blastoderm, ectoderm, etc.
Derm (?), n. [Gr. de`rma, -atos, skin, fr. &?; to skin, flay: cf. F. derme. See Tear, v. t.] 1. The integument of animal; the skin.