cataphracted

from The Century Dictionary.

• In zoology, covered with horny or bony plates or scales closely joined together, or with a thick hardened skin. Also cataphract.

from the GNU version of the Collaborative International Dictionary of English.

• adjective (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Covered with a cataphract.