sidearm

/ˈsaɪd.ɑːrm/

名词

随身武器（尤指小手枪或佩剑）
He holstered his trusty sidearm as he prepared to face the dangers lurking in the dark alleyway.
他将可靠的手枪放入枪套，准备面对潜伏在黑暗小巷里的危险。