/ Dictionary / Index A Arlington Heights: Meaning and Definition of Find definitions for: Ar'lington Heights' Pronunciation: [key] a city in NE Illinois, near Chicago. 66,116. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arlington Arlington National Cemetery Related Content Daily Word Quiz: dentifrice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language