Webster’s Revised Unabridged Dictionary · 1913
Leprous
Lep′rous (-rūs), a. [OF. leprous, lepros, F. lépreux, fr. L. leprosus, fr. lepra, leprae, leprosy. See Leper.]
1. Infected with leprosy; pertaining to or resembling leprosy. "His hand was leprous as snow." Ex. iv. 6.
2. (Nat. Hist.) Leprose.
— Lep′rous·ly, adv. — Lep′rous·ness, n.