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occipital bone

noun Anatomy.
  1. a curved, compound bone forming the back and part of the base of the skull.
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Origin of occipital bone

First recorded in 1670–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for occipital bone

occipital bone

noun
  1. the saucer-shaped bone that forms the back part of the skull and part of its base
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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

occipital bone in Medicine

occipital bone

n.
  1. A bone at the lower and posterior part of the skull, consisting of basilar, condylar, and squamous parts and enclosing the foramen magnum.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.