arbor vitae

[ ahr-ber vahy-tee ]
/ ˈɑr bər ˈvaɪ ti /

noun Anatomy.

a treelike appearance in a vertical section of the cerebellum, due to the arrangement of the white and gray nerve tissues.
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British Dictionary definitions for arbor vitae

arbor vitae

/ (ˈɑːbɔː ˈviːtaɪ, ˈvaɪtiː) /

noun

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 conesSee also red cedar

Word Origin for arbor vitae

C17: from New Latin, literally: tree of life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012