'Retractor' definitions:

Definition of 'retractor'

From: WordNet
noun
Surgical instrument that holds back the edges of a surgical incision

Definition of 'Retractor'

From: GCIDE
  • Retractor \Re*tract"or\ (r[-e]*tr[=a]kt"[~e]r), n. One who, or that which, retracts. Specifically: (a) In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel. (b) (Surg.) An instrument for holding apart the edges of a wound during amputation. (c) (Surg.) A bandage to protect the soft parts from injury by the saw during amputation. (d) (Anat. & Zool.) A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata. [1913 Webster]