Arbor is a related term of arboreous.
As an adjective arboreous
is woody (as opposed to herbaceous).
As a noun arbor is
a shady sitting place, usually in a park or garden, and usually surrounded by climbing shrubs or vines and other vegetation.
arboreous
English
Adjective
(head)
Woody (as opposed to herbaceous).
Wooded, covered with trees.
arbor
English
Etymology 1
(etyl) arbour, from (etyl) .
Alternative forms
* arbour (chiefly British)
Noun
(en-noun)
A shady sitting place, usually in a park or garden, and usually surrounded by climbing shrubs or vines and other vegetation.
A grove of trees.
Related terms
* arboreal
* arborescent
* arboreous
* arbor vitae
* herb
Etymology 2
From (etyl)
Noun
(en-noun)
An axis or shaft supporting a rotating part on a lathe.
A bar for supporting cutting tools.
A spindle of a wheel.