The Collaborative International Dictionary of English v.0.48:

canecutter \cane"cut`ter\, cane cutter \cane"
cut`ter\(k[=a]n"k[u^]t`[~e]r), n.
   a type of rabbit (Sylvilagus aquaticus) inhabiting
   southeastern U.S. swamps and lowlands; -- called also swamp
   rabbit.

   Syn: swamp rabbit, swamp hare.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Sylvilagus aquaticus
    n 1: a wood rabbit of southeastern United States swamps and
         lowlands [syn: swamp rabbit, canecutter, swamp hare,
         Sylvilagus aquaticus]