A circular or oval ring with an internal cutting edge used to shave off tumors in the nasal and other cavities.

Nearby words

  1. ring-a-ring o' roses,
  2. ring-around-the-rosey,
  3. ring-billed gull,
  4. ring-dyke,
  5. ring-fence,
  6. ring-necked,
  7. ring-necked duck,
  8. ring-necked pheasant,
  9. ring-porous,
  10. ring-road

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for ring-knife