pony express

noun, often capitalized P&E

Definition of PONY EXPRESS

: a rapid postal and express system that operated across the western United States in 1860–61 by relays of horses and riders

See pony express defined for kids

1847

PONY EXPRESS Defined for Kids

noun , often cap P&E

: a rapid postal system that operated across the western United States in 1860–61 by changing horses and riders along the way

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