arbor-vitæ

Century Dictionary and Cyclopedia

1. n. In botany, a common name of certain species of Thuja, a genus belonging to the natural order Coniferœ. Thuja occidentalis is the American or common arbor-vitæ, extensively planted for ornament and for hedges.
2. n. In anatomy, the arborescent or foliaceous appearance of a section of the cerebellum of the higher vertebrates, due to the arrangement of the white and gray nerve-tissue and their contrast in color. See cut under corpus.