DICT.TW Dictionary Taiwan

 Rock v. t. [imp. & p. p. Rocked p. pr. & vb. n. Rocking.]
 1. To cause to sway backward and forward, as a body resting on a support beneath; as, to rock a cradle or chair; to cause to vibrate; to cause to reel or totter.
    A rising earthquake rocked the ground.   --Dryden.
 2. To move as in a cradle; hence, to put to sleep by rocking; to still; to quiet. “Sleep rock thy brain.”
 Note: ☞ Rock differs from shake, as denoting a slower, less violent, and more uniform motion, or larger movements. It differs from swing, which expresses a vibratory motion of something suspended.