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firehorse

American  
[fahyuhr-hawrs] / ˈfaɪərˌhɔrs /

noun

  1. a horse used to pull a horse-drawn fire engine.

Etymology

Origin of firehorse

An Americanism dating back to 1825–35; fire + horse

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.