a broad membrane bone of the skull, forming the forehead and the upper portion of each orbit.
TAKE THIS QUIZ IF A DAZZLING VOCABULARY IS YOUR DESIDERATUM!
Have the Words of the Day from October 19–25, 2020, made an indelible mark on your memory? Take the quiz to find out!
Question 1 of 7
What does “clement” mean?
Origin of frontal bone
First recorded in 1735–45
Words nearby frontal bone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for frontal bone
the bone forming the forehead and the upper parts of the orbits. It contains several air spaces
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
Medical definitions for frontal bone
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.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.