a large mass of stone forming a cliff, promontory, or peak

a large concreted mass of stony material

consolidated or unconsolidated solid mineral matter

NAmer a stone

something like a rock in firmness; a firm or solid foundation or support

a coloured and flavoured sweet, usu produced in the form of a cylindrical stick

informal a gem, esp a diamond

informal crack cocaine, or a piece of crack cocaine

to move (somebody or something) gently back and forth in or from side to side as if in a cradle

to become moved rapidly or violently backward and forward, e.g. under impact

to move rhythmically back and forth

to dance to or play rock music

informal to be full of excitement and noise or of people enjoying themselves

= rock ’n’ roll

a style of popular music derived from rock and roll that is usu played on electronically amplified instruments and characterized by a persistent, heavily accented beat