Retractor — One who, or that which, retracts.
Retractor — In breech-loading firearms, a device for withdrawing a cartridge shell from the barrel.
Retractor — An instrument for holding apart the edges of a wound during amputation.
Retractor — A bandage to protect the soft parts from injury by the saw during amputation.
Retractor — A muscle serving to draw in any organ or part. See Illust. under Phylactolaemata.