Century Dictionary and Cyclopedia
- n. The position of the cock or hammer of a gun when it is elevated only half-way and retained by the first notch. See cock.
- To cock the hammer of, as a gun, so that it rests at the first notch.
GNU Webster's 1913
- v. To set the cock of (a firearm) at the first notch.
- n. confusion resulting from lack of preparation
“Gee, usually you're the one that keeps me from going off at halfcock.”
“There you are; that is characteristic of laymen, going off at halfcock.”
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