purpose of shaping it; -- said of a lathe; as, the lathe can swing a pulley of 12 inches diameter.The act of swinging; a waving, oscillating, or vibratory motion of a hanging or pivoted object; oscillation; as, the swing of a pendulum.1Swaying motion from one side or direction to the other; as, some men walk with a swing.1A line, cord, or other thing suspended and hanging loose, upon which anythi