the zygomatic bone.
the part of that bone below the eye forming the prominence of the cheek.
the area of the cheek overlying this bone.

before 1000; Middle English chekbon, Old English ceacban. See cheek, bone1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
cheekbone (ˈtʃiːkˌbəʊn)
the nontechnical name for zygomatic bone Related: malar
Related: malar

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

cheekbone cheek·bone (chēk'bōn')
See zygomatic bone.

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


diamond-shaped bone below and lateral to the orbit, or eye socket, at the widest part of the cheek. It adjoins the frontal bone at the outer edge of the orbit and the sphenoid and maxilla within the orbit. It forms the central part of the zygomatic arch by its attachments to the maxilla in front and to the zygomatic process of the temporal bone at the side. The zygomatic bone forms in membrane (i.e., without a cartilaginous precursor) and is ossified at birth.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Position your mobile parallel to your cheekbone and imagine you're having an
  intimate dinner conversation.
The extension pieces struck the upper side of his cheekbone, his jaw and neck.
The suspect has what appears to be a mark or bruise on the right cheekbone.
The officer observed redness around her eyes and cheekbone, and some swelling.
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