Assault Weapon Definition

noun

Any of various automatic or semiautomatic firearms with detachable magazines and often other features such as a pistol grip or a collapsible stock, designed for individual use.

American Heritage

Any of various automatic or semiautomatic firearms with detachable magazines and often other features such as a pistol grip or a collapsible stock, designed for individual use.

American Heritage

(US) Any select-fire firearm that allows semi-automatic and fully automatic operation, and is used or was once used by a military organization.

Wiktionary

(US) A semi-automatic firearm that resembles a military weapon.

Wiktionary