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[Latin uncus, hook + -form.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (Anatomy) anatomy zoology having the shape of a hook
2. (Zoology) anatomy zoology having the shape of a hook
(Anatomy) anatomy Also called: hamate bone any hook-shaped structure or part, esp a small bone of the wrist (unciform bone)
[C18: from New Latin unciformis, from Latin uncus a hook]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
[1725–35; < New Latin unciformis < Latin unc(us) a hook, barb]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.