[ ahr-ber-vahy-tee ]
/ ˌɑr bərˈvaɪ ti /
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any of several ornamental or timber-producing evergreen trees belonging to the genus Thuja, of the cypress family, native to North America and eastern Asia, having a scaly bark and scalelike leaves on branchlets.
Anatomy. arbor vitae.



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Origin of arborvitae

1655–65 for def. 1; 1790–1800 for def. 2; <Latin: tree of life

Definition for arborvitae (2 of 2)

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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for arborvitae

arbor vitae
/ (ˈɑːbɔː ˈviːtaɪ, ˈvaɪtiː) /


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
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
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