pony express Hear it!

pony express definition

☆ pony express

a system of carrying and delivering mail by riders on swift ponies; specif., such a system in operation from April, 1860, to October, 1861, between St. Joseph, Mo., and Sacramento, Calif.

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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