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lacrimal sac

American  

noun

Anatomy.

  1. the dilated upper portion of the nasolacrimal duct that receives tears from the lacrimal ducts.

Etymology

Origin of lacrimal sac

First recorded in 1770–80

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.