pony express

1. 1.

   express mail carried by relays of riders on horseback; especially between Missouri and California around 1860

   Broaderexpress

Questions about pony express

What does pony express mean?

pony express means "express mail carried by relays of riders on horseback; especially between Missouri and California around 1860".

Is pony express a common word?

pony express is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.