(of a rifle) of a sufficiently high muzzle velocity and using a heavy enough bullet to kill large game.

Origin of high-power

First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for high-power

Historical Examples of high-power

  • He rushed into the house and came out with a high-power rifle.

    Hidden Water

    Dane Coolidge

  • High-power electric lamps are not made with vacuums but are "gas-filled."

    Common Science

    Carleton W. Washburne

  • He knew that the range of a high-power rifle is well over a mile.

    Out of the Depths

    Robert Ames Bennet

  • Do you realize that you want to be careful how you shoot with these high-power rifles?

    Out of the Depths

    Robert Ames Bennet

  • He supported her to his motor, a high-power runabout, and helped her in.

    IT and Other Stories

    Gouverneur Morris