/ Dictionary / Index I inter se: Meaning and Definition of Find definitions for: in•ter se Pronunciation: (in'tur sē' Lat. in'ter se'), [key] (italics)among or between themselves. the mating of closely related animals to each other. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interscholastic intersect Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language