a gun, especially one fired from shoulder level, having a long spirally grooved barrel intended to make a bullet spin and thereby have greater accuracy over a long distance

a hunting rifle

make spiral grooves in (a gun or its barrel or bore) to make a bullet spin and thereby have greater accuracy over a long distance

there are four basic ways to rifle a gun barrel

hit or kick (a ball) hard and straight

Ferguson rifled home his fourth goal of the season

search through something in a hurried way in order to find or steal something

she rifled through the cassette tapes

she rifled the house for money