The Collaborative International Dictionary of English v.0.48:

Gopher \Go"pher\, n. [F. gaufre waffle, honeycomb. See
   Gauffer.] (Zool.)
   1. One of several North American burrowing rodents of the
      genera Geomys and Thomomys, of the family
      Geomyid[ae]; -- called also pocket gopher and pouched
      rat. See Pocket gopher, and Tucan.
      [1913 Webster]

   Note: The name was originally given by French settlers to
         many burrowing rodents, from their honeycombing the
         earth.
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   2. One of several western American species of the genus
      Spermophilus, of the family Sciurid[ae]; as, the gray
      gopher (Spermophilus Franklini) and the striped gopher
      (S. tridecemlineatus); -- called also striped prairie
      squirrel, leopard marmot, and leopard spermophile.
      See Spermophile.
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   3. A large land tortoise (Testudo Carilina) of the Southern
      United States, which makes extensive burrows.
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   4. A large burrowing snake (Spilotes Couperi) of the
      Southern United States.
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   Gopher drift (Mining), an irregular prospecting drift,
      following or seeking the ore without regard to regular
      grade or section. --Raymond.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Leopard \Leop"ard\ (l[e^]p"[~e]rd), n. [OE. leopart, leparde,
   lebarde, libbard, OF. leopard, liepart, F. l['e]opard, L.
   leopardus, fr. Gr. leo`pardos; le`wn lion + pa`rdos pard. See
   Lion, and Pard.] (Zool.)
   A large, savage, carnivorous mammal (Felis leopardus). It
   is of a yellow or fawn color, with rings or roselike clusters
   of black spots along the back and sides. It is found in
   Southern Asia and Africa. By some the panther (Felis
   pardus) is regarded as a variety of leopard.
   [1913 Webster]

   Hunting leopard. See Cheetah.

   Leopard cat (Zool.) any one of several species or varieties
      of small, spotted cats found in Africa, Southern Asia, and
      the East Indies; esp., Felis Bengalensis.

   Leopard marmot. See Gopher, 2.
      [1913 Webster]