stone drill

Thesaurus

Noun

1.stone drill - a drill for penetrating rock bore bit, borer, rock drillcross bit - a rock drill having cruciform cutting edges; used in miningdrill - a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)star drill - a steel rock drill with a star-shaped point that is used for making holes in stones or masonry; it is operated by hitting the end with a hammer while rotating it between blowsstraight flute, straight-fluted drill - a rock drill with flutes that are straight