ar ‧ bo ‧ re ‧ tum /ˌɑːbəˈriːtəm $ ˌɑːr-/ BrE AmE noun ( plural arboretums or arboreta /-tə/) [countable]
[ Date: 1800-1900 ; Language: Latin ; Origin: arbor ; ⇨ ↑ arboreal ]
a place where trees are grown for scientific study
ar ‧ bo ‧ re ‧ tum /ˌɑːbəˈriːtəm $ ˌɑːr-/ BrE AmE noun ( plural arboretums or arboreta /-tə/) [countable]
[ Date: 1800-1900 ; Language: Latin ; Origin: arbor ; ⇨ ↑ arboreal ]
a place where trees are grown for scientific study
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012