v. To brandish; to move to and fro; to swing.v. To mark or measure by moving to and fro.v. To affect with vibratory motion; to set in vibration.verb-intransitive. To move to and fro, or from side to side, as a pendulum, an elastic rod, or a stretched string, when disturbed from its position of rest; to swing; to oscillate.verb-intransitive. To have the constituent particles move to and fro, with alternate compression and dilation of parts, as the air, or any elastic body; to quiver.verb-intransitive. To produce an oscillating or quivering effect of sound.verb-intransitive. To pass from one state to another; to waver; to fluctuate.