from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A male animal with one or two undescended testicles.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. male animal with at least one testicle still in the intestinal canal
  • n. imperfectly castrated male

from the GNU version of the Collaborative International Dictionary of English

  • n. A half-castrated male animal.

from The Century Dictionary and Cyclopedia

  • n. Same as ridgel.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a colt with undescended testicles


From obsolete ridgel, perhaps from ridge (from the belief that the undescended testicles remained near the animal's back).
(American Heritage® Dictionary of the English Language, Fourth Edition)
ridge + -ling, presumably from the supposition the remaining testicle(s) remain(s) near the back (Wiktionary)


  • -- In the ridgeling animal one or both of the testicles have not descended into the scrotal sac, and are usually lodged in the inguinal canal or abdominal cavity.

    Common Diseases of Farm Animals


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