n. The branch of horticulture concerned with the planting and growth of trees
the GNU version of the Collaborative International Dictionary of English
n. The cultivation of trees and shrubs, chiefly for timber or for ornamental purposes.
The Century Dictionary and Cyclopedia
n. The cultivation of trees; the art of planting, training, pruning, and cultivating trees and shrubs.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the cultivation of tree for the production of timber
Word Usage
"There survives a book on arboriculture which is not an isolated monograph, but portion of a larger work, at least three books long, for it alludes to a 'primum volumen de cultu agrorum' (ad init.)."