lacrimal bone

noun Anatomy.

a small, thin, membrane bone forming the front part of the inner wall of each orbit.

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Nearby words

lacquey, lacretelle, lacrimal, lacrimal apparatus, lacrimal artery, lacrimal bone, lacrimal canal, lacrimal caruncle, lacrimal duct, lacrimal fold, lacrimal gland

Origin of lacrimal bone

First recorded in 1850–55

Also called lacrimal.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for lacrimal bone

lacrimal bone

n.

A thin irregularly rectangular plate forming part of the medial wall of the eye socket behind the frontal process of the maxilla.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.