arbor
1. [ noun ] any of various rotating shafts that serve as axes for larger rotating parts
Synonyms: mandrel mandril spindle
Related terms: rotating_shaft drive
2. [ noun ] (botany) tree (as opposed to shrub)
Related terms: tree arborize
3. [ noun ] (botany) a framework that supports climbing plants
Synonyms: bower pergola arbour
Examples:

"the arbor provided a shady resting place in the park"

Related terms: framework grape_arbor embower
Similar spelling:   arborous
  arborize
  arborist
  arborise
  arboreal
  arborary
  arbour
  arriver
  airborne