- a person or thing that retracts.
- a muscle that retracts an organ or protruded part.
- an instrument or appliance for drawing back an impeding part, as the edge of an incision.
- a mechanism, device, or the like that regulates retraction: to adjust the retractor on a seat belt.
- any of various muscles that retract an organ or part
- an instrument for holding back the edges of a surgical incision or organ or part
- a person or thing that retracts
