either of two small ducts extending from the inner corner of each eyelid to the lacrimal sac.
Origin of lacrimal duct
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a short tube in the inner corner of the eyelid through which tears drain into the noseNontechnical name: tear duct
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 curved canal beginning at the margin of each eyelid near the medial commissure, and emptying with the duct from the other eye into the lacrimal sac.lacrimal canal
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.