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full cock

American  
[fool kok] / ˈfʊl ˈkɒk /

noun

  1. the position of the hammer of a firearm when it is pulled back all the way, ready to be released and fall when the trigger is pulled.

    His rifle was at full cock, pointed directly at the intruder.

Etymology

Origin of full cock

First recorded in 1740–50

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.