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cranium

[krey-nee-uh m] /ˈkreɪ ni əm/
noun, plural craniums, crania
[krey-nee-uh] /ˈkreɪ ni ə/ (Show IPA)
1.
the skull of a vertebrate.
2.
the part of the skull that encloses the brain.
Also called braincase.
Origin
late Middle English
1375-1425
1375-1425; late Middle English craneum < Medieval Latin crānium < Greek krāníon skull; akin to ceratokoi·ə , cerebrum, cornu, horn
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for crania

cranium

/ˈkreɪnɪəm/
noun (pl) -niums, -nia (-nɪə)
1.
the skull of a vertebrate
2.
the part of the skull that encloses the brain Nontechnical name brainpan
Word Origin
C16: from Medieval Latin crānium skull, from Greek kranion
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 crania
cranium
1540s, from M.L. cranium, from Gk. kranion "skull," related to kara "head." Strictly, the bones which enclose the brain.
Online Etymology Dictionary, © 2010 Douglas Harper
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crania in Medicine

cranium cra·ni·um (krā'nē-əm)
n. pl. cra·ni·ums or cra·ni·a (-nē-ə)

  1. The bones of the head considered as a group; skull.

  2. The bony case enclosing the brain, excluding the bones of the face; braincase.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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crania in Science
cranium
  (krā'nē-əm)   
Plural craniums or crania
The vertebrate skull, especially the part that encloses and protects the brain.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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crania in Culture
cranium [(kray-nee-uhm)]

The part of the skull that encloses the brain.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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