Tree gardens

• Where trees may be cultivated
• Rare boat (anag) — botanical tree gardens
• Sylvan showplaces
• Botanic-garden areas
• Botanical gardens (Var.)
• Tree sanctuaries

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Arboretum \Ar`bo*re"tum\, n.; pl. Arboreta . [L., a place grown with trees.] A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes.

Wiktionary Word definitions in Wiktionary
n. (plural of arboretum English)

WordNet Word definitions in WordNet
n. a facility where trees and shrubs are cultivated for exhibition [syn: botanical garden ] [also: arboreta (pl)]