/ Dictionary / Index U Upper Canada: Meaning and Definition of Find definitions for: Up'per Can'ada Pronunciation: [key] a former British province in Canada 1791–1840: now the S part of Ontario province. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. upper bound Upper Canadian Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language