• Webster's Revised Unabridged Dictionary
    • n Scleroderm (Zoöl) One of a tribe of plectognath fishes (Sclerodermi) having the skin covered with hard scales, or plates, as the cowfish and the trunkfish.
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Century Dictionary and Cyclopedia
    • n scleroderm The hard or stony external skeleton of sclerodermatous zoantharians, or corals in an ordinary sense; corallum; coral.
    • n scleroderm A member of the Sclerodermata, as a madrepore.
    • n scleroderm A plectognath fish of the group Sclerodermi, having the skin rough and hard, as the file-fish, etc.
    • scleroderm Of or pertaining to the Sclerodermi; sclerodermous.
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Chambers's Twentieth Century Dictionary
    • Scleroderm hardened integument or exo-skeleton, esp. of a coral: a madrepore
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Webster's Revised Unabridged Dictionary
Gr. sklhro`s hard + de`rma skin: cf. F. scléroderme,
Chambers's Twentieth Century Dictionary
Gr. sklēros, hard.