/ Dictionary / Index N nun buoy: Meaning and Definition of Find definitions for: nun' bu"oy Pronunciation: (nun), [key] a conical, unlighted buoy used as a channel marker, esp. on the starboard side of a channel entering from seaward. Cf.See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nunation nunc* Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language