arborvitae

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See also: arbor vitae

English

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Platycladus orientalis, an arborvitae (sense 1)

Etymology

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From Latin arbor (tree) +‎ vitae (of life).

Pronunciation

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Noun

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arborvitae (plural arborvitaes)

  1. Any of several North American or Asian conifers, of the genera Thuja and Thujopsis or the species Platycladus orientalis, grown for timber or ornament.
  2. (anatomy) The white nerve tissue of the cerebellum that has a branching structure.