What is the meaning of Rock?

noun

• A lump or mass of hard consolidated mineral matter.
  • usage: "he threw a rock at me"
  • synonyms: stone
• Material consisting of the aggregate of minerals like those making up the Earth's crust.
  • usage: "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
  • synonyms: stone
• United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984.
  • synonyms: John Rock
• Figurative) someone who is strong and stable and dependable. ( "he was her rock during the crisis"; "Thou art Peter, and upon this rock I will build my church-Gospel According to Matthew
• Hard bright-colored stick candy (typically flavored with peppermint.
  • synonyms: rock candy
• A genre of popular music originating in the 1950s; a blend of black rhythm-and-blues with white country-and-western.
  • usage: "rock is a generic term for the range of styles that evolved out of rock'n'roll."
  • synonyms: rock 'n' roll, rock'n'roll, rock-and-roll, rock and roll, rock music
• Pitching dangerously to one side.
  • synonyms: careen, sway, tilt

verb

• Move back and forth or sideways.
  • usage: "the ship was rocking"; "the tall building swayed"; "She rocked back and forth on her feet"
  • synonyms: sway, shake
• Cause to move back and forth.
  • usage: "rock the cradle"; "rock the baby"; "the wind swayed the trees gently"
  • synonyms: sway