D defs.my
Entry 1 sense Webster, 1913

Arboretum

/ärˌ-bẽr-ēt'-əm/ · Ar·bo·re·tum · IPA /ɑː(ɹ)bəˈɹiːtəm/
01 n. A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes.
pl. Arboreta
  1. 1.
    A place in which a collection of rare trees and shrubs is cultivated for scientific or educational purposes.