Arbor

Arbor, är′bur, n. the Latin word for tree.—adjs. Arborā′ceous, Arbōr′eal, of tree-like character.—n. Arbor-day, in many of the United States, a day yearly set apart for the general planting of trees by school children—in Canada, the first Friday in May.—adj. Arbōr′eous, of or belonging to trees.—ns. Arbores′cence, Arborisā′tion, tree-like growth.—adj. Arbores′cent, growing or formed like a tree: (archit.) branching like a tree.—ns. Ar′boret (obs.), shrubbery: (Spens.) a little tree, shrub; Arborē′tum, a place in which specimens of trees and shrubs are cultivated:—pl. Arborē′ta.—adj. Arboricul′tural.—ns. Ar′boriculture, forestry, the culture of trees, esp. timber-trees; Arboricul′turist; Ar′borist, one who studies trees.—adj. Ar′borous, formed by trees.—Arbor vitæ, a popular name of several evergreen shrubs of the genus Thuja. When the human cerebellum is cut vertically, a tree-like appearance seen receives this name.