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
动词
1
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
2
hit, throw, or kick (a ball or puck) hard and straight.
he rifled a hard, rising shot from just inside the blue line
3
search through something in a hurried way in order to find or steal something.