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trial horse

American  

noun

Informal.
  1. an opponent who performs against a superior foe in a workout or exhibition.


Etymology

Origin of trial horse

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

In three races, Thomas Octave Murdoch Sopwith's new Endeavor, in which he and Mrs. Sopwith expect to cross the Atlantic this month, beat her trial horse, W. L Stephenson's Velsheda, twice.

From Time Magazine Archive

His comeback so far had been unimpressive; in January he was beaten by a clumsy trial horse, Tiger Jones.

From Time Magazine Archive

But Sydney is not Newport, and after watching Dame Pattie in U.S. waters against her trial horse, Nefertiti, most experts do not rate her quite as fast as Intrepid.

From Time Magazine Archive

The myth of Joe Louis' invincibility started a year ago when, a raw but talented young fisticuffer eight months out of the amateur class, he defeated a worn trial horse named Natie Brown.

From Time Magazine Archive

And in the matter of a contest Jasper could not imagine a better trial horse than Buck Heath.

From Way of the Lawless by Brand, Max

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