Definition of post-chariot in US English:

post-chariot

noun

historical
  • A light four-wheeled carriage used for carrying mail and passengers, and differing from a post-chaise chiefly in having a driver's seat in front.

Origin

Early 17th century; earliest use found in Philemon Holland (1552–1637), translator. From post + chariot.

Pronunciation

post-chariot

/ˈpəʊs(t)tʃarɪət/