fly ball

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Compare ground ball.

Origin of fly ball

An Americanism dating back to 1860–65
Also called fly. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fly ball

Historical Examples of fly ball

  • The fly-ball governor replaced the throttle-valve which was at first used by Watt to regulate the speed of his engines.

    The Story of Great Inventions

    Elmer Ellsworth Burns

  • Engines of the slide-valve type are usually provided either with a fly-ball throttling governor, or a shaft governor.

    Steam Engines