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half cock

1 American  
[haf kok] / ˈhæf ˈkɒk /

noun

  1. the position of the hammer of a firearm when held halfway to the fully retracted position by a mechanism that prevents it from being released and firing the gun when the trigger is pulled.


half-cock 2 American  
[haf-kok, hahf-] / ˈhæfˈkɒk, ˈhɑf- /

verb (used with object)

  1. to set the hammer of (a firearm) at half cock.


half-cock British  

noun

  1. on a single-action firearm, a halfway position in which the hammer can be set for safety; in this position the trigger is cocked by the hammer which cannot reach the primer to fire the weapon

    1. to fail as a result of inadequate preparation or premature starting

    2. to act or function prematurely

"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

Etymology

Origin of half cock1

First recorded in 1695–1705

Origin of half-cock2

First recorded in 1825–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then it was not Dickinson's, but Jackson's, pistol that stopped at , half cock.

From Time Magazine Archive

"I beg your pardon, sir," said Lord Ipsden to his antagonist; "I am going to take a liberty—a great liberty with you, but I think you will find your pistol is only at half cock."

From Christie Johnstone by Reade, Charles

Can't you hear a gang of old sailors romancing and dreaming about the things they'd like to do, without going off at half cock this way!

From The Pirate Shark by Arting, Fred J.

This done he brought his rifle to a half cock, and making sure that his cartridges were within reach, he knelt down with the muzzle of his gun covering the trail.

From Lost in the Ca?on by Calhoun, Alfred R.

"She has been now fooling me for six years;" and as he concluded this sentence, Mr Vanslyperken and Snarleyyow had reached the taffrail, and the dog raised his tail to the half cock.

From Snarleyyow by Marryat, Frederick