free-bored

American

[free-bawrd, -bohrd] / ˈfriˈbɔrd, -ˈboʊrd /

adjective

(of a rifle) having a bore that is not rifled within a short distance of the breech, so that a fired cartridge travels about 1/2 inch (1.3 centimeters) before being engaged by the lands, thus reducing initial high pressures.

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