Halfcock

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The position when the cock of a gun is at the first notch. uncountable

    "This was bad both for the alibi reshoots it caused and subsequent delays in a match, but if the hammer fell to halfcock enough times, the half-cock notch would mar the sear tip, adversely affecting trigger pull."

Verb
  1. 1
    To set the cock of a firearm at the first notch.

Example

More examples

"This was bad both for the alibi reshoots it caused and subsequent delays in a match, but if the hammer fell to halfcock enough times, the half-cock notch would mar the sear tip, adversely affecting trigger pull."

Etymology

From half + cock.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.