/ Dictionary / Index G Glendale Heights: Meaning and Definition of Find definitions for: Glen'dale Heights' Pronunciation: [key] a city in NE Illinois. 23,163. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Glendale Glendora Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language