retractor

Etymology

retract + -or

noun

  1. One who, or that which, retracts.
  2. In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
  3. (chess) A chess puzzle in which a number of moves are retracted and the solver is challenged to reach an alternate outcome.
  4. A surgical instrument used to hold apart the edges of an incision or wound.
  5. A bandage to protect soft parts of the body from injury by a surgical saw.
  6. (zoology) A muscle serving to draw in any part.

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