retract

verb

1.
formally reject or disavow a formerly held belief, usually under pressure
Derived from:
retraction
2.
pull away from a source of disgust or fear
3.
use a surgical instrument to hold open (the edges of a wound or an organ)
Derived from:
retractor
Instrument:
retractor
4.
pull inward or towards a center
Derived from:
retraction