noun
A starting or falling back; a rebound; a shrinking.
The state or condition of having recoiled.
(firearms) The energy transmitted back to the shooter from a firearm which has fired. Recoil is a function of the weight of the weapon, the weight of the projectile, and the speed at which it leaves the muzzle.
An escapement in which, after each beat, the scape-wheel recoils slightly.
verb
To pull back, especially in disgust, horror or astonishment.
(archaic) To recoil before an opponent.
(weaponry) Of a firearm: to quickly push back when fired.
(obsolete) To retire, withdraw.