noun
arbor
AH-buh
noun
1
A shaded garden structure covered with climbing plants, used as a place to sit.
"They got married under a rose-covered arbor."
2
A rotating shaft or spindle in a machine, such as a lathe, that supports a moving part.
"The saw blade is mounted on a steel arbor."
How to Use Arbor
Learner’s notesIn plain EnglishA garden shelter covered in plants, or a spinning shaft inside a machine.
UK vs US
The garden-structure spelling "arbor" is standard in American English; British English more often uses "arbour".
Word Forms
arbors plural, arbores plural, arbors plural, arbores plural
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Etymology
From Old French erbier, "meadow, herb garden", related to Latin herba, "grass, herb" — its spelling was later reshaped by the unrelated Latin word arbor, "tree".