Webster’s Revised Unabridged Dictionary · 1913
Begem
Be·gem′ (bē·jĕm′), v. t. [imp. & p. p. Begemmed; p. pr. & vb. n. Begemming.] To adorn with gems, or as with gems.
Begemmed with dewdrops. Sir W. Scott.
Those lonely realms bright garden isles begem. Shelley.