/ Dictionary / Index A arbour: Meaning and Definition of Find definitions for: ar•bour Pronunciation: (är'bur), [key] — n. Chiefly Brit. arbor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arbour (Thesaurus) arbor vitae arbovirus Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language