释义 |
ring-knife ring-knife (ring-nīf), A circular or oval ring with internal cutting edge, on the model of the carpenter's spoke-shave, for shaving off tumors in the nasal and other cavities. Synonym(s): spoke-shavering-knife (ring'nīf) A circular or oval ring with internal cutting edge, for shaving off tumors in the nasal and other cavities. |