noun
(pathology) Alternative form of scleroderma.
(zoology, obsolete) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, such as the cowfish and trunkfish.
(zoology, obsolete) One of the Sclerodermata; a madrepore.
A hardened or bony integument of various animals.