Dictionary
pull•back
Pronunciation: (pool'bak"), [key]—
n.
1. the act of pulling back, esp. a retreat or a strategic withdrawal of troops; pullout.
2. that which pulls something back or impedes its forward movement.
3. Mach.a device for pulling a moving part to its original position.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.