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1. Tree (as opposed to shrub)
   - arbor [N. Amer, Austral]
    
2. Any of various rotating shafts that serve as axes for larger rotating parts
   - spindle, mandrel, mandril, arbor [N. Amer, Austral]
    
3. A framework that supports climbing plants
   "the arbour provided a shady resting place in the park"
   - arbor [N. Amer, Austral], bower, pergola

Derived forms: arbours

Type of: framework, rotating shaft, shaft, tree

Part of: drive

Encyclopedia: Arbour