Webster’s Revised Unabridged Dictionary · 1913
Warlock
War′lock (·lŏk), n. [OE. warloghe a deceiver, a name or the Devil, AS. wǣrloga a belier or breaker of his agreement, word, or pledge; wǣr covenant, troth (akin to L. verus true; see Very) + loga a liar (in comp.), leógan to lie. See 3d Lie.] A male witch; a wizard; a sprite; an imp. [Written also warluck.] Dryden.
It was Eyvind Kallda's crew Of warlocks blue, With their caps of darkness hooded! Longfellow.
War′lock, a. Of or pertaining to a warlock or warlock; impish. [R.]
Thou shalt win the warlock fight. J. R. Drake.