| reamer | A rotating finishing or drilling tool used to shape or enlarge a hole. Origin: A.S. Ryman, to widen (05 Mar 2000) |
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| intramedullary reamer | A rasp used for shaping the intramedullary portion of the metaphysis prior to the insertion of an appliance or a prosthesis. (05 Mar 2000) |
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| engine reamer | An engine-mounted spirally-bladed instrument, used for enlarging the root canals of teeth. (05 Mar 2000) |