/ Dictionary / Index N nostril: Meaning and Definition of Find definitions for: nos•tril Pronunciation: (nos'trul), [key] — n. either of the two external openings of the nose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nostril (Thesaurus) no-strike no-strings Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language