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mailcatcher

American  
[meyl-kach-er] / ˈmeɪlˌkætʃ ər /

noun

Railroads.

  1. a device on a mail car that, while the train is moving, picks up mailbags suspended beside the track.

Etymology

Origin of mailcatcher

An Americanism dating back to 1870–75; mail 1 + catcher

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.