"Semiautomatic firearms" refers to guns that automatically load the next bullet into the chamber after firing one round, allowing rapid succession of shots with just one pull of the trigger. Full definition
President Donald Trump said Tuesday that he had directed the Justice Department to propose a ban on devices that modify guns, such as so - called bump stocks, which increase the rate of fire of semiautomatic firearms. (businessinsider.com)
Earlier this week, Trump directed Attorney General Jeff Sessions to propose regulations to ban bump stocks and other devices that turn semiautomatic firearms into «machine guns.» (sun-sentinel.com)
The agreement does not, however, include a ban on semiautomatic firearms modeled after military assault weapons or a limit on ammunition magazines to 10 rounds, two provisions many gun control activists had wanted. (religion.blogs.cnn.com)