Cap of a cannon

Definitions

  • Webster's Revised Unabridged Dictionary
    • Cap of a cannon a piece of lead laid over the vent to keep the priming dry; -- now called an apron.
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Usage


In news:

(Courtesy photo) Dressed in a Revolutionary War uniform, Cap Cresap of California shows Robert Kirby how to fire a 2-pound cannon typical of those used during the Revolutionary War.
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