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percussion cap

a small metallic cap or cup containing fulminating powder, formerly exploded by percussion to fire the charge of small arms.
Origin of percussion cap
1815-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for percussion-cap
Historical Examples
  • Then he had only to place a percussion-cap on the tube, and he was ready for business.

    Brave Tom Edward S. Ellis
  • It made about as much noise as a percussion-cap, and the wind was from Brigham toward us.

    Memoirs Charles Godfrey Leland
  • He then looked to his percussion-cap, to make sure that all was right.

    The Young Yagers Mayne Reid
  • On so slight an incident—the defect of a percussion-cap—did the battle hinge.

    The Dixie Book of Days Matthew Page Andrews
  • Then seizing one arm, he draws it across the opposite shoulder, until the joint cracks like a percussion-cap.

    The Lands of the Saracen Bayard Taylor
  • The revolver of the Civil War was, of course, a percussion-cap weapon.

    Rebel Raider H. Beam Piper
  • A line to a trigger, rigged to explode a percussion-cap, made it possible to do this from the rail.

    Sea-Hounds Lewis R. Freeman
  • First of all—above and beyond everything else in a boy's sight—was the voyageur's percussion-cap rifle.

    Strange Stories of the Great Valley Abbie Johnston Grosvenor
  • He started running over, in his mind, the paratemporal areas in which gunpowder but not the percussion-cap was known.

    Time Crime H. Beam Piper
British Dictionary definitions for percussion-cap

percussion cap

a detonator consisting of a paper or thin metal cap containing material that explodes when struck and formerly used in certain firearms
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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