noun (1)
ar·​bor | \ ˈär-bər How to pronounce arbor (audio) \

Definition of arbor

 (Entry 1 of 3)

: a shelter of vines or branches or of latticework covered with climbing shrubs or vines


noun (2)

Definition of arbor (Entry 2 of 3)

1 : a spindle or axle of a wheel
2 : a main shaft or beam
3 : a shaft on which a revolving cutting tool is mounted
4 : a spindle on a cutting machine that holds the work to be cut
variants: or arbori-

Definition of arbor- (Entry 3 of 3)

: tree arboriculture

Illustration of arbor

Illustration of arbor

Noun (1)


In the meaning defined above

First Known Use of arbor

Noun (1)

14th century, in the meaning defined above

Noun (2)

1659, in the meaning defined at sense 1

History and Etymology for arbor

Noun (1)

Middle English erber, herber garden, from Anglo-French, from herbe herb, grass

Noun (2)

Latin, tree, shaft

Combining form

Latin arbor

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Time Traveler for arbor

Time Traveler

The first known use of arbor was in the 14th century

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Cite this Entry

“Arbor.” Dictionary, Merriam-Webster, Accessed 4 Jul. 2020.

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More Definitions for arbor


ar·​bor | \ ˈär-bər How to pronounce arbor (audio) \

Kids Definition of arbor

: a shelter shaped like an arch over which vines grow


ar·​bor | \ ˈär-bər How to pronounce arbor (audio) \

Medical Definition of arbor

: a branching anatomical structure resembling a tree

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More from Merriam-Webster on arbor

Thesaurus: All synonyms and antonyms for arbor

Rhyming Dictionary: Words that rhyme with arbor

Spanish Central: Translation of arbor

Nglish: Translation of arbor for Spanish Speakers

Britannica English: Translation of arbor for Arabic Speakers Encyclopedia article about arbor

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