n. The act of escaping; escape.n. The general contrivance in a timepiece by which the pressure of the wheels (which move always in one direction) and the vibratory motion of the pendulum or balancewheel are accommodated the one to the other.n. In pianoforte-making, that part of the action which provides that the hammer, after striking the string, shall instantly recoil, whether or not the key is released.