the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts.
Words nearby lacrimal sac
Origin of lacrimal sac
First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for lacrimal sac
The upper portion of the nasolacrimal duct into which the two lacrimal ducts empty.dacryocyst tear sac
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.