arbor vitae

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Related to Arbour vitae: arborvitae, thujas

arbor vitae

any of several Asian and North American evergreen coniferous trees of the genera Thuja and Thujopsis, esp Thuja occidentalis, having tiny scalelike leaves and egglike cones

arbor vitae

[′är·bər ′vīd·ē]
(neuroscience)
The treelike arrangement of white nerve tissue seen in a median section of the cerebellum.