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bone spavin

noun, Veterinary Pathology.
See under spavin (def 1).


[spav-in] /ˈspæv ɪn/
noun, Veterinary Pathology.
a disease of the hock joint of horses in which enlargement occurs because of collected fluids (bog spavin) bony growth (bone spavin) or distention of the veins (blood spavin)
an excrescence or enlargement so formed.
Origin of spavin
late Middle English
1400-50; late Middle English spaveyne < Old French (e)spavain, esparvain swelling < ? Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for bone-spavin
Historical Examples
  • Fibrous tumors are sometimes located in the inferior part of the medial side of the tarsus—exactly over the seat of bone-spavin.

    Lameness of the Horse John Victor Lacroix
British Dictionary definitions for bone-spavin


(vet science) enlargement of the hock of a horse by a bony growth (bony spavin) or fluid accumulation in the joint (bog spavin), usually caused by inflammation or injury, and often resulting in lameness
Word Origin
C15: from Old French espavin, of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for bone-spavin



disease of the hock joint of a horse, early 15c., from Middle French espavain, perhaps from Frankish *sparwan "sparrow" (see sparrow), so called perhaps from comparison of the bird's awkward gait to that of a horse affected with spavin.

Online Etymology Dictionary, © 2010 Douglas Harper
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