Re*tract"or (?), 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.
© Webster 1913.