definitions

arbor

1
[ ahr-ber ]
/ ˈɑr bər /
|
SEE MORE SYNONYMS FOR arbor ON THESAURUS.COM

noun

a leafy, shady recess formed by tree branches, shrubs, etc.
a latticework bower intertwined with climbing vines and flowers.
Obsolete. a grass plot; lawn; garden; orchard.

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RELATED WORDS

box, shelf, counter, bed, furniture, lattice, shaft, support, stem, hinge, pole, stalk, axle, pivot, spindle, gudgeon, pin, rod, axis, mandrel

Nearby words

arbitrement, arbitrer, arbitress, arblay, arblay, d', arbor, arbor day, arbor vitae, arboraceous, arboreal, arboreally
Also especially British, ar·bour.

Origin of arbor

1
1350–1400; Middle English (h)erber < Anglo-French, Old French (h)erbier herbarium; respelling with -or under the influence of arbor3

Definition for arbor (2 of 3)

arbor

2
[ ahr-ber ]
/ ˈɑr bər /

noun

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.
Metallurgy. a reinforcing member of a core or mold.

Origin of arbor

2
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

Definition for arbor (3 of 3)

arbor

3
[ ahr-ber ]
/ ˈɑr bər /

noun, plural ar·bo·res [ahr-buh-reez] /ˈɑr bəˌriz/. Botany.

a tree.

Origin of arbor

3
1660–70; < New Latin, Latin: tree.
Related formsar·bo·resque, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for arbor

British Dictionary definitions for arbor (1 of 2)

arbor

1
/ (ˈɑːbə) /

noun

the US spelling of arbour

British Dictionary definitions for arbor (2 of 2)

arbor

2
/ (ˈɑːbə) /

noun

a rotating shaft in a machine or power tool on which a milling cutter or grinding wheel is fitted
a rotating shaft or mandrel on which a workpiece is fitted for machining
metallurgy a part, piece, or structure used to reinforce the core of a mould

Word Origin for arbor

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

Medicine definitions for arbor

arbor

[ 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.