/ Dictionary / Index N nested: Meaning and Definition of Find definitions for: nest•ed Pronunciation: (nes'tid), [key] — adj. Math. (of an ordered collection of sets or intervals) having the property that each set is contained in the preceding set and the length or diameter of the sets approaches zero as the number of sets tends to infinity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nested (Thesaurus) nest nest egg Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language