¹ rock verb

• to move (someone or something) back and forth or from side to side
• to cause (something) to shake violently —sometimes used figuratively
• to cause (someone or something) to be upset or shocked

² rock noun

• the hard, solid material that the surface of the Earth is made of —often used before another noun
• a piece of rock
• a large piece of rock that sticks up from the surface of the Earth

³ rock noun

• a kind of popular music with a strong beat that is played on instruments that are made louder electronically —often used before another noun