Source : Webster's Revised Unabridged Dictionary (1913)

Skulk \Skulk\, v. i. [imp. & p. p. {Skulked}; p. pr. & vb. n.
   {Skulking}.] [Of Scand. origin; cf. Dan. skulke to spare or
   save one's self, to play the truant, Sw. skolka to be at
   leisure, to shirk, Icel. skolla. Cf. {Scowl}.]
   To hide, or get out of the way, in a sneaking manner; to lie
   close, or to move in a furtive way; to lurk. ``Want skulks in
   holes and crevices.'' --W. C. Bryant.

         Discovered and defeated of your prey, You skulked
         behind the fence, and sneaked away.      --Dryden.