[ thur-oh-pin, -uh-pin, thuhr- ]
/ ˈθɜr oʊˌpɪn, -əˌpɪn, ˈθʌr- /
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noun Veterinary Pathology.

an abnormal swelling just above the hock of a horse, usually appearing on both sides of the leg and sometimes causing lameness.



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Origin of thoroughpin

First recorded in 1780–90; thorough + pin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for thoroughpin

  • The terms "thoroughpin" or "throughpin" are translations from the French vessignon chevillé and have the same significance.

    Lameness of the Horse|John Victor Lacroix
  • In fact, spontaneous relief from lameness usually results in the course of ten days' time following the appearance of thoroughpin.

    Lameness of the Horse|John Victor Lacroix
  • He felt of her muscles, and carefully scrutinized her for swelling or swinney or splint or spavin or thoroughpin.

    Vandemark's Folly|Herbert Quick

British Dictionary definitions for thoroughpin

/ (ˈθʌrəˌpɪn) /


an inflammation and swelling on both sides of the hock joint of a horse affecting the sheath of the deep flexor tendon

Word Origin for thoroughpin

C18: so called because it makes the leg look as if it has a pin stuck through it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012