buckboard
/ˈbʌkbɔːd/noun
- N. Amer. an open horse-drawn carriage with four wheels and seating that is attached to a plank stretching between the front and rear axles〈北美〉四轮平板马车。
词源
mid 19th cent.: from buck 'body of a cart' （perhaps a variant of obsolete bouk 'belly， body'） + BOARD.