rock

a lump or mass of hard consolidated mineral matter; "he threw a rock at me"

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"

United States gynecologist and devout Catholic who conducted the first clinical trials of the oral contraceptive pill (1890-1984)

(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)

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."

pitching dangerously to one side

move back and forth or sideways; "the ship was rocking"; "the tall building swayed"; "She rocked back and forth on her feet"

cause to move back and forth; "rock the cradle"; "rock the baby"; "the wind swayed the trees gently"