verb
Freq #346246
Meanings
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1
verb
to lower or release the cock or hammer of a firearm from the firing position
He paused to uncock the rifle before climbing over the fence.
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2
verb
to straighten, flatten, or undo something that has been cocked or tilted
She reached up to uncock the brim of her hat.
Thesaurus
Etymology
Formed from the reversing prefix un- + cock. In firearms, cock means to draw back and set the hammer or firing mechanism; uncock reverses that action. Older uses also undo a tilted or heaped position.