noun
Refers to the tree Aesculus hippocastanum, commonly planted as a street tree in Japan. The cross-reference 西洋栃の木 is a less common Japanese name.
from French marronnier
See also: 西洋栃の木
公園のマロニエの並木がきれいですね。
The row of horse chestnut trees in the park is beautiful, isn't it?
マロニエの実は栗に似ているが、食べられない。
The fruit of the horse chestnut resembles a chestnut, but it is not edible.