semi·au·to·mat·ic 
/ˌsɛmiˌɑ:təˈmætɪk/ adjective
/ˌsɛmiˌɑ:təˈmætɪk/ adjective of a gun : able to fire bullets one after the other quickly but not automatically
▪ a semiautomatic rifle/weapon/pistol
▪ a semiautomatic rifle/weapon/pistol
— semiautomatic noun, plural semiautomatics [count]
▪ The police found a semiautomatic in his car.
▪ The police found a semiautomatic in his car.
