/ Dictionary / Index L lacrimal duct: Meaning and Definition of Find definitions for: lac'rimal duct" Pronunciation: [key] — Anat. Anat. either of two small ducts extending from the inner corner of each eyelid to the lacrimal sac. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lacrimal bone lacrimal gland Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language