• Webster's Revised Unabridged Dictionary
    • a Cataphracted (Zoöl) Covered with a cataphract, or armor of plates, scales, etc.; or with that which corresponds to this, as horny or bony plates, hard, callous skin, etc.
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Century Dictionary and Cyclopedia
    • cataphracted In zoology, covered with horny or bony plates or scales closely joined together, or with a thick hardened skin. Also cataphract.
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In literature:

Cataphracted: invested with a hard callous skin, or with scales closely united.
"Explanation of Terms Used in Entomology" by John. B. Smith