Breadcrumb Home > Dictionary > Index A Cite arbor: Meaning and Definition of Find definitions for: ar•bor Pronunciation: (är'bur), [key] — n. a leafy, shady recess formed by tree branches, shrubs, etc. a latticework bower intertwined with climbing vines and flowers. a grass plot; lawn; garden; orchard. ar•bor Pronunciation: (är'bur), [key] — n. a bar, shaft, or axis that holds, turns, or supports a rotating cutting tool or grinding wheel, often having a tapered shank fitting tightly into the spindle of a machine tool. Cf. mandrel. a beam, shaft, axle, or spindle. a reinforcing member of a core or mold. ar•bor Pronunciation: (är'bur), [key] — pl. ar•bo•res a tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arbor (Thesaurus) Arblay, d' Arbor Day TrendingHere are the facts and trivia that people are buzzing about. April 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World Quetzalcoatl: Aztec Myths and Myths About the Aztecs Related Content Daily Word Quiz: erpsichore Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language