stone drill
English Thesaurus
1. a drill for penetrating rock (noun.artifact)
| hypernym | : | drill, |
| definition | : | a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) (noun.artifact) |
| hyponym | : | cross bit, |
| definition | : | a rock drill having cruciform cutting edges; used in mining (noun.artifact) |
| hyponym | : | star drill, |
| definition | : | 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 blows (noun.artifact) |
| derivation | : | bore, drill, |
| definition | : | make a hole, especially with a pointed power or hand tool (verb.contact) |
| derivation | : | bore, drill, |
| definition | : | make a hole, especially with a pointed power or hand tool (verb.contact) |
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