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arbor1

[ahr-ber] /ˈɑr bər/
noun
1.
a leafy, shady recess formed by tree branches, shrubs, etc.
2.
a latticework bower intertwined with climbing vines and flowers.
3.
Obsolete. a grass plot; lawn; garden; orchard.
Also, especially British, arbour.
Origin
1350-1400
1350-1400; Middle English (h)erber < Anglo-French, Old French (h)erbier herbarium; respelling with -or under the influence of arbor3

arbor2

[ahr-ber] /ˈɑr bər/
noun
1.
Machinery.
  1. 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.
    Compare mandrel.
  2. a beam, shaft, axle, or spindle.
2.
Metallurgy. a reinforcing member of a core or mold.
Origin
1650-60; respelling, by association with arbor3, of earlier arber, arbre < French, Old French < Latin arbor wooden beam or part in an olive press, tree

arbor3

[ahr-ber] /ˈɑr bər/
noun, plural arbores
[ahr-buh-reez] /ˈɑr bəˌriz/ (Show IPA).
Botany
1.
a tree.
Origin
1660-70; < Neo-Latin, Latin: tree.
Related forms
arboresque, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for arbor
  • We require an infusion of hemlock, spruce or arbor vitae in our tea.
  • Imagine sipping your tea or wine in the dappled light of your own backyard arbor bench, your favorite vine overhead.
  • The arbor includes built-in light fixtures that illuminate the dining area and the fireplace.
  • In the rear lower garden, a custom steel rose arbor frames the view from the house.
  • Use to cover a fence or arbor or as a rough bank cover.
  • The timber-frame arbor shown at left covers an outlying patio on the same property, and it is truly spectacular in the daylight.
  • Learn how to grow it against a wall or up an arbor.
  • The arbor-shaded patio with banco seating invites guests to the garden's far reaches.
  • The ann arbor business review covers local business in the area.
  • The ann arbor public school district handles local public education.
British Dictionary definitions for arbor

arbor1

/ˈɑːbə/
noun
1.
the US spelling of arbour

arbor2

/ˈɑːbə/
noun
1.
a rotating shaft in a machine or power tool on which a milling cutter or grinding wheel is fitted
2.
a rotating shaft or mandrel on which a workpiece is fitted for machining
3.
(metallurgy) a part, piece, or structure used to reinforce the core of a mould
Word Origin
C17: from Latin: tree, mast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for arbor
arbor
c.1300, herber, "herb garden," from O.Fr. erbier "kitchen garden," from L. herba "grass, herb" (see herb). Later "a grassy plot" (early 14c., a sense also in O.Fr.), "a shaded nook" (mid-14c.). Probably not from L. arbor "tree," though influenced by its spelling.
Online Etymology Dictionary, © 2010 Douglas Harper
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arbor in Medicine

arbor ar·bor (är'bər)
n. pl. ar·bo·res (är'bə-rēz')
A treelike anatomical structure.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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7
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