Webster's Revised Unabridged Dictionary · 1913

-derm

-derm , noun

[See Derm, n.]

A suffix or terminal formative, much used in anatomical terms, and signifying skin, integument, covering; as, blastoderm, ectoderm, etc.

Derm , noun

[Greek de`rma, -atos, skin, from de`rein to skin, flay: compare French derme. See Tear, transitive verb]

1.
The integument of animal; the skin.
2.
(Anatomy) See Dermis.