The Collaborative International Dictionary of English v.0.48:

Still-hunt \Still"-hunt`\, n.
   A hunting for game in a quiet and cautious manner, or under
   cover; stalking; hence, colloquially, the pursuit of any
   object quietly and cautiously. -- Still"-hunt`er, n. --
   Still"-hunt`ing, n. [U.S.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

still-hunt
    v 1: hunt (quarry) by stalking and ambushing [syn: still-hunt,
         ambush]