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Bull Moose

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noun
  1. a member of the Progressive Party under the leadership of Theodore Roosevelt.

Origin of Bull Moose

An Americanism dating back to 1880–85
Also called Bull Mooser [moo-ser] /ˈmu sər/.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bull moose

Historical Examples

  • It was the bull-moose—there was no mistaking him for any other creature.

    The Hunters' Feast

    Mayne Reid

  • While I sit around guessing I'm a man because I know a jack-rabbit from a bull-moose.

    The Heart of Unaga

    Ridgwell Cullum

  • Dinky-Dunk, I notice, is as restive as a bull-moose in black-fly season.

    The Prairie Child

    Arthur Stringer

  • Bad-tempered at the best, a bull-moose is a devil unchained in September.

    Wild Folk

    Samuel Scoville

  • A flood of feeling came into his eyes, his head jerked like that of a bull-moose.