to draw back; start or shrink back, as in alarm, horror, or disgust.
to spring or fly back, as in consequence of force of impact or the force of the discharge, as a firearm.
to spring or come back; react (usually fol. by on or upon): Plots frequently recoil upon the plotters.
(of an atom, a nucleus, or a particle) to undergo a change in momentum as a result either of a collision with an atom, a nucleus, or a particle or of the emission of a particle.
—n.
an act of recoiling.
the distance through which a weapon moves backward after discharging.