Webster’s Revised Unabridged Dictionary · 1913
Shaggy
Shag′gy (·gy̆), a. [Compar. Shaggier; superl. Shaggiest.] [From Shag, n.] Rough with long hair or wool.
About his shoulders hangs the shaggy skin. Dryden.
2. Rough; rugged; jaggy. Milton.
[A rill] that winds unseen beneath the shaggy fell. Keble.