rock

/ˈräk/

Middle English rokken, from Old English roccian; akin to Old High German rucken to cause to move

verb

  1. to move back and forth in or as if in a cradle

  2. to cause to sway back and forth

  3. to cause to shake violently

She gently rocked the baby to sleep.

shake agitate rock convulse mean to move up and down or to and fro with some violence. shake often carries a further implication of a particular purpose. agitate suggests a violent and prolonged tossing or stirring.

noun

  1. a rocking movement

  2. popular music usually played on electronically amplified instruments and characterized by a persistent heavily accented beat, repetition of simple phrases, and often country, folk, and blues elements

noun

  1. a large mass of stone forming a cliff, promontory, or peak

  2. a concreted mass of stony material; also : broken pieces of such masses

  3. consolidated or unconsolidated solid mineral matter; also : a particular mass of it