Webster’s Revised Unabridged Dictionary · 1913 Derm Derm (dẽrm), n. [Gr. δέρμα, -ατος, skin, fr. δέρειν to skin, flay: cf. F. derme. See Tear, v. t.] 1. The integument of animal; the skin. 2. (Anat.) See Dermis. ‹ -derm Derma ›