SclerodermScler"o*derm\ (? or ?; 277), n. [Gr. sklhro`s hard + de`rma skin: cf. F. scl['e]roderme.] (a) (Zo["o]l.) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, as the cowfish and the trunkfish. (b) One of the Sclerodermata. (c) Hardened, or bony, integument of various animals.