NOUN | artifact | bore bit, borer, rock drill, stone drill | a drill for penetrating rock / rock |
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Meaning | A drill for penetrating rock / rock. | |
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Synonyms | borer, rock drill, stone drill | |
Narrower | cross bit | A rock drill having cruciform cutting edges |
star drill | A steel rock drill with a star-shaped point that is used for making holes in stones or masonry | |
straight flute, straight-fluted drill | A rock drill with flutes that are straight | |
Broader | drill | A tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) |
Spanish | barrena |
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