ボタンの木きMeanings1expression, nounbuttonwood tree; American sycamoreRefers to the tree species Platanus occidentalis, also known as the American sycamore or buttonball tree.See also: アメリカスズカケノキ公こう園えんに大おおきなボタンの木きが立たっている。A large buttonwood tree stands in the park.
