What is "scleroderm"

Scleroderm \Scler"o*derm\ (? or ?; 277), n. [Gr. sklhro`s hard + de`rma skin: cf. F. scl['e]roderme.]

1. (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.

2. One of the Sclerodermata.

3. Hardened, or bony, integument of various animals.

n. 1 (label en pathology) (alternative form of scleroderma English). 2 (context zoology English) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, such as the cowfish and trunkfish. 3 (context zoology English) One of the Sclerodermata. 4 A hardened or bony integument of various animals.