frontal bone

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frontal bone

n.
A cranial bone consisting of a vertical portion corresponding to the forehead and a horizontal portion that forms the roofs of the orbital and nasal cavities.
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.

frontal bone

n
(Anatomy) the bone forming the forehead and the upper parts of the orbits. It contains several air spaces
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

fron′tal bone′


n.
the broad front part of the skull, forming the forehead.
[1735–45]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

frontal bone

A bone of the skull, consisting of a part that corresponds to the forehead and a part that forms the roof of the eye sockets and cavities of the nose.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

frontal bone


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The forehead bone.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.frontal bone - the large cranial bone forming the front part of the cranium: includes the upper part of the orbitsfrontal bone - the large cranial bone forming the front part of the cranium: includes the upper part of the orbits
glabella, mesophyron - a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
metopion - the craniometric point midway between the frontal eminences of the skull
ophryon - the craniometric point in the midline of the forehead immediately above the orbits
membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull
braincase, brainpan, cranium - the part of the skull that encloses the brain
frontal eminence - either prominence of the frontal bone above each orbit
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.