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knucklebone

American  
[nuhk-uhl-bohn] / ˈnʌk əlˌboʊn /

noun

  1. (in humans) any of the bones forming a knuckle of a finger.

  2. (in quadrupeds) a bone homologous with a wrist, ankle, or finger bone of humans, or its knobbed end.


knucklebone British  
/ ˈnʌkəlˌbəʊn /

noun

  1. any bone forming part of a knuckle or knuckle joint

"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

Etymology

Origin of knucklebone

late Middle English word dating back to 1400–50; see origin at knuckle, bone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As a onetime priest, McLaughlin would have undoubtedly understood the desire to possess a relic from a venerated figure, like a saint’s knucklebone or a sliver of the true cross.

From Washington Post • Jun. 4, 2018

Temujin was born clutching a blood clot the size of a knucklebone.

From Time Magazine Archive

Also salvaged was an astragalus, which was a knucklebone of a sheep or a goat used like a die in a game called “knucklebone.”

From "Shipwrecked!" by Martin W. Sandler

But they must wait in patience yet a little longer, if even a knucklebone is to be a share.

From The Three Mulla-mulgars by De la Mare, Walter