/ Dictionary / Index N nasolacrimal duct: Meaning and Definition of Find definitions for: na'solac'rimal duct' Pronunciation: [key] — Anat. Anat. a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nasolacrimal nasology Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language