retractor

retractor

[ri-trak-ter]
noun
1.
a person or thing that retracts.
2.
Anatomy. a muscle that retracts an organ or protruded part.
3.
Surgery. 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.

Origin:
1830–40; retract1 + -or2

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World English Dictionary
retractor (rɪˈtræktə)
 
n
1.  anatomy any of various muscles that retract an organ or part
2.  surgery an instrument for holding back the edges of a surgical incision or organ or part
3.  a person or thing that retracts

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

retractor re·trac·tor (rĭ-trāk'tər)
n.

  1. A surgical instrument used to hold back organs or the edges of an incision.

  2. A muscle, such as a flexor, that retracts an organ or a part.

The American Heritage® Stedman's Medical Dictionary
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