buck‧board /ˈbʌkbɔːd $ -bɔːrd/
noun [countable][
Date: 1600-1700;
Origin: buck 'main structure of a carriage or cart' (17-19 centuries) (perhaps from bouk 'body, belly' (11-19 centuries), from Old English buc; ⇒ bucket) + board]
a light vehicle with four wheels that is pulled by a horse, and was used in the US in the 19th century
[TahlilGaran] Dictionary of Contemporary English ▲