buckboard

n. 平板马车

buck.board

n.（名词）
A four-wheeled open carriage with the seat or seats attached to a flexible board running between the front and rear axles.
平板马车：一种轻便的四轮马车，车身为一有弹性的平板，上设座椅，无顶盖

来源：
Obsolete buck [body of a wagon] from Middle English bouk [belly] from Old English bôc
废语 buck [车身] 源自 中古英语 bouk [腹部] 源自 古英语 bôc
board
board