gelding

from WordNet (r) 3.0 (2006)

gelding
    n 1: castrated male horse

from The Collaborative International Dictionary of English v.0.48

Gelding \Geld"ing\, n. [Icel. gelding a gelding, akin to
   geldingr wether, eunuch, Sw. g[aum]lling gelding, Dan.
   gilding eunuch. See {Geld}, v. t.]
   A castrated animal; -- usually applied to a horse, but
   formerly used also of the human male.
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         They went down both into the water, Philip and the
         gelding, and Philip baptized him.        --Wyclif (Acts
                                                  viii. 38).
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from The Collaborative International Dictionary of English v.0.48

Gelding \Geld"ing\, p. pr., a., & vb. n.
   from {Geld}, v. t.
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from The Collaborative International Dictionary of English v.0.48

Geld \Geld\, v. t. [imp. & p. p. {Gelded} or Gelt (?); p. pr. &
   vb. n. {Gelding}.] [Icel. gelda to castrate; akin to Dan.
   gilde, Sw. g[aum]lla, and cf. AS. gilte a young sow, OHG.
   galt dry, not giving milk, G. gelt, Goth. gilpa siclke.]
   1. To castrate; to emasculate.
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   2. To deprive of anything essential.
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            Bereft and gelded of his patrimony.   --Shak.
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   3. To deprive of anything exceptionable; as, to geld a book,
      or a story; to expurgate. [Obs.] --Dryden.
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from Moby Thesaurus II by Grady Ward, 1.0

38 Moby Thesaurus words for "gelding":
      Houyhnhnm, altering, blank cartridge, brood mare, castration,
      castrato, charger, colt, courser, critter, dobbin, dud,
      emasculation, entire, entire horse, equine, eunuch, filly, fixing,
      foal, horse, impotent, incompetent, invalid, mare, mount, nag,
      prancer, spaying, stallion, steed, stud, studhorse, tarpan,
      top horse, war-horse, weakling, wild horse