Definition of post-wagon in English:

post-wagon

noun

historical
  • A horse-drawn wagon capable of travelling quickly.

Origin

Late 17th century; earliest use found in William Penn (1644–1718), Quaker leader and founder of Pennsylvania. From post + wagon; in specific use for a mail coach in the Netherlands and Germany, after Dutch postwagen, German Postwagen.

Pronunciation

post-wagon

/ˈpəʊs(t)ˌwaɡ(ə)n/