From Biology-Online Dictionary | Biology-Online Dictionary


a kind of latticework formed of, or covered with, vines, branches of trees, or other plants, for shade; a bower.

Origin: oe. Herber, herbere, properly a garden of herbs, f. Herbier, fr. L. Herbarium. See herb, and cf. Herbarium.

1. (Science: botany) a tree, as distinguished from a shrub.

2. [Cf. F. Arbre.

(Science: mechanics) An axle or spindle of a wheel or opinion. A mandrel in lathe turning. Arbor day, a day appointed for planting trees and shrubs.

Origin: L, a tree, a beam. Any of various rotating shafts that serve as axes for larger rotating parts.