noun
elm tree; Japanese elm
Refers to elm trees, especially the Japanese elm (Ulmus davidiana var. japonica). Usually written in kana in general use.
公園の大きなにれの木の下で休んだ。
I rested under the big elm tree in the park.
ニレの葉は秋に黄色くなる。
Elm leaves turn yellow in autumn.
The origin of the word にれ is uncertain. It is a native Japanese word for the elm tree, with no clear kanji etymology beyond its conventional association with the character 楡.