/ Dictionary / Index N nosing: Meaning and Definition of Find definitions for: nos•ing Pronunciation: (nō'zing), [key] — n. Archit. a projecting edge, as the part of the tread of a step extending beyond the riser or a projecting part of a buttress. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nosing (Thesaurus) no-show no-smoking 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