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cannon bone

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noun Zoology.
the greatly developed middle metacarpal or metatarsal bone of hoofed quadruped mammals, extending from the hock to the fetlock.
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Origin of cannon bone

1825–35; cannon in obsolete sense “tube”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for cannon bone

cannon bone

noun
a bone in the legs of horses and other hoofed animals consisting of greatly elongated fused metatarsals or metacarpals
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
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