The Collaborative International Dictionary of English v.0.48:

hawsehole \hawse"hole`\, hawsepipe \hawse"pipe`\n.
   a hole in the bow of a ship, through which the anchor rope or
   cable passes.

   Syn: hawse, hawsepipe.
        [1913 Webster + WordNet 1.5]

WordNet (r) 3.0 (2006):

hawsehole
    n 1: the hole that an anchor rope passes through [syn: hawse,
         hawsehole, hawsepipe]