- a curved, compound bone forming the back and part of the base of the skull.
Origin of occipital bone
First recorded in 1670–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the saucer-shaped bone that forms the back part of the skull and part of its base
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
- A bone at the lower and posterior part of the skull, consisting of basilar, condylar, and squamous parts and enclosing the foramen magnum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.