/ Dictionary / Index I intersection: Meaning and Definition of Find definitions for: in•ter•sec•tion Pronunciation: (in"tur-sek'shun), [key] — n. a place where two or more roads meet, esp. when at least one is a major highway; junction. any place of intersection or the act or fact of intersecting. Also calledmeet,product.the set of elements that two or more sets have in common. Symbol: ∩ the greatest lower bound of two elements in a lattice. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: intersection (Thesaurus) intersecting arcade interseptal Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language