Meaning of retractor

re•trac•tor

Pronunciation: (ri-trak'tur), [key]
— n.
  1. a person or thing that retracts.
  2. a muscle that retracts an organ or protruded part.
  3. an instrument or appliance for drawing back an impeding part, as the edge of an incision.
  4. a mechanism, device, or the like that regulates retraction: to adjust the retractor on a seat belt.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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