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lunate

[loo-neyt] /ˈlu neɪt/
adjective
1.
Also, lunated. being in the shape of a crescent; crescent-shaped.
noun
2.
Anatomy. the second bone from the thumb side of the proximal row of bones of the carpus.
3.
a crescent-shaped, microlithic artifact mounted in a haft to form a composite tool, mostly Mesolithic in origin.
Origin
1770-1780
1770-80; < Latin lūnātus crescent-shaped. See Luna, -ate1
Related forms
lunately, adverb
semilunate, adjective
semilunated, adjective
sublunate, adjective
sublunated, adjective
unlunate, adjective
unlunated, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for lunate
  • Its external surface forms part of the lunate surface of the acetabulum and a portion of the acetabular fossa.
British Dictionary definitions for lunate

lunate

/ˈluːneɪt/
adjective
1.
(anatomy, botany) shaped like a crescent
noun
2.
a crescent-shaped bone forming part of the wrist
Word Origin
C18: from Latin lūnātus crescent-shaped, from lūnāre, from lūna moon
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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Word Origin and History for lunate
adj.

"crescent-shaped," 1777, from Latin lunatus, from luna (see Luna).

Online Etymology Dictionary, © 2010 Douglas Harper
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lunate in Medicine

lunate lu·nate (lōō'nāt')
adj.
Shaped like a crescent.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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