cataphract, n. [L. cataphractes, Gr. , fr. covered, fr. to cover; kata` down, wholly + fra`ssein to inclose.].
Defensive armor used for the whole body and often for the horse, also, esp. the linked mail or scale armor of some eastern nations. [1913 Webster]
A horseman covered with a cataphract. [1913 Webster
"Archers and slingers, cataphracts, and spears."
The armor or plate covering some fishes. [1913 Webster]