/ Dictionary / Index N nos-: Meaning and Definition of Find definitions for: nos- Pronunciation: [key] var. ofbefore a vowel. nos. Pronunciation: [key] numbers. n.o.s. Pronunciation: [key] not otherwise specified. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nos- (Thesaurus) Norwood nosce te ipsum* Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language