[ar.bo.re.tum] n, pl -retums or -re.ta [NL, fr. L, plantation of trees, fr. arbor] (1838): a place where trees, shrubs, and herbaceous plants are cultivated for scientific and educational purposes
ARBORETUM
Meaning of ARBORETUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012