Yes, the word arboretum is a noun, a singular, common, concrete noun; a word for abotanical garden devoted to trees, a word for a thing.
Arboretum is a place so its a noun. Lets go visit the arboretum today.
kids never clear the Foliage. foliage must be cleaned.
Some towns have an arboretum.
Westonbirt Arboretum was created in 1829.
Hadwen Arboretum was created in 1907.
Arnold Arboretum was created in 1872.
Derby Arboretum was created in 1840.
Lincoln Arboretum was created in 1870.
Chesapeake Arboretum was created in 1996.
Goethe Arboretum was created in 1959.
Slayton Arboretum was created in 1922.
Morris Arboretum was created in 1889.