Noun
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""stone is abundant in New England and there are many quarries"3. (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 Matthew4. 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