1.a lump or mass of hard consolidated mineral matter;
he threw a rock at me
2.material consisting of the aggregate of minerals like those making up the Earth's crust;
that mountain is solid rock
3.(figurative) someone who is strong and stable and dependable;
he was her rock during the crisis
4.hard stick bright-colored stick candy typically peppermint flavored
5.a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western;
rock is a generic term for the range of styles that evolved out of rock'n'roll.
6.pitching dangerously to one side
1.move back and forth or sideways;
the ship was rocking
2.cause to move back and forth;
rock the cradle