ar·bor·vi·tae also
ar·bor vi·tae (är
bər-vī
tē)
n.► ■ Any of several North American or eastern Asian evergreen trees or shrubs of the genus
Thuja, having flattened branchlets with opposite, scalelike leaves and small cones. They are grown as ornamentals and for timber.
■ Any similar plant of the genus
Platycladus or
Thujopsis. Also called
thuja.
► Anatomy. The white nerve tissue of the cerebellum, which has a treelike outline in a median section.
[TahlilGaran] American Dictionary ▲