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
See also red cedar
Word origin
C17: from New Latin, literally: tree of life
arbor vitae in American English
(ˈɑːrbər ˈvaiti)
noun
Anatomy
a treelike appearance in a vertical section of the cerebellum, due to the arrangement of the white and gray nerve tissues