Rifle

ri'fl, n. A gun whose barrel is formed with spiral grooves or channels inside, thus securing the ball a rotary motion, and great precision whetstone for a scythe. — v. t. To groove, channel; esp., to groove internally with spiral channels sharpen (a scythe) with a rifle. — Riffle, riffl, n. sluice having depre ions in the bottom, or other trivances, for facilitating the settling of particles gold, in washing auriferous dirt; proce of washing, etc. — Riffler, n. A file with a curved end for work in shallow depre ions.