名詞 buckeye:

1. the inedible nutlike seed of the horse chestnut
   同義詞：horse chestnut, conker
2. tree having palmate leaves and large clusters of white to red flowers followed by brown shiny inedible seeds
   同義詞：horse chestnut, Aesculus hippocastanum
3. a native or resident of Ohio
   同義詞：Ohioan

buck.eye

n.（名詞）
Any of various North American trees or shrubs of the genusAesculus, having palmately compound, opposite leaves, erect panicles of white to red or yellow flowers, and large, shiny seeds with a large attachment scar. All parts of the plant are poisonous.
七葉樹：一種北美洲的七葉樹 屬的樹或灌木，有掌狀對生復葉，直立的白色、紅色或黃色圓錐花序，種子碩大而亮麗，附有一個巨大的瘢痕。這種植物的每一部分都有毒
The spiny or smooth fruit of any of these plants.
七葉樹果實：七葉樹的多刺或光滑的果實
The large, shiny brown seed of such a fruit.
七葉樹果種子：七葉樹的堅果中巨大，亮褐色的種子

來源：
buck
buck
eye
eye