/ Dictionary / Index U Upper Arlington: Meaning and Definition of Find definitions for: Up'per Ar'lington Pronunciation: [key] a city in central Ohio, near Columbus. 35,648. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upper air upper arm Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language