| 1. |
(verb) cut a hole with a trepan; in surgery |
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Related Words: bore, drill |
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| 2. |
(noun) a tool for cutting circular holes around a center |
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Related Words: drill |
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| 3. |
(noun) a surgical instrument used to remove sections of bone from the skull |
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Synonyms: trephine |
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Related Words: surgical instrument |
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