Webster's Revised Unabridged Dictionary · 1913

Scabrous

Scabrous , adjective

[Latin scabrosus, from scaber rough: compare French scabreux.]

1.
Rough to the touch, like a file; having small raised dots, scales, or points; scabby; scurfy; scaly. — Arbuthnot
2.
Figuratively: Harsh; unmusical. [Rare]
His verse is scabrous and hobbling. — Dryden