The Collaborative International Dictionary of English v.0.48:

Taxidermy \Tax"i*der`my\, n. [Gr. ? an arranging, arrangement
   (fr. ? to arrange) + ? a skin, from ? to skin: cf. F.
   taxidermie. See Tactics, Tear, v. t.]
   The art of preparing, preserving, and mounting the skins of
   animals so as to represent their natural appearance, as for
   cabinets.
   [1913 Webster]

WordNet (r) 3.0 (2006):

taxidermy
    n 1: the art of mounting the skins of animals so that they have
         lifelike appearance

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "taxidermy":
   anatomy, anhydration, animal physiology, anthropology, biology,
   blast-freezing, bottling, brining, canning, comparative anatomy,
   conchology, corning, curing, dehydration, desiccation, dry-curing,
   drying, ecology, embalming, entomology, ethology, evaporation,
   freeze-drying, freezing, fuming, helminthology, herpetology,
   ichthyology, irradiation, jerking, malacology, mammalogy,
   marination, mummification, ornithology, pickling, potting,
   protozoology, quick-freezing, refrigeration, salting, seasoning,
   smoking, stuffing, taxonomy, tinning, zoogeography, zoography,
   zoology, zoonomy, zoopathology, zoophysics, zootaxy, zootomy