rock

move back and forth or sideways

“the ship was rocking”

hard bright-colored stick candy (typically flavored with peppermint)

pitching dangerously to one side

material consisting of the aggregate of minerals like those making up the Earth's crust

“that mountain is solid rock”

cause to move back and forth

“rock the cradle”

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

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.”

a lump or mass of hard consolidated mineral matter

“he threw a rock at me”

someone who is strong and stable and dependable

“he was her rock during the crisis”