Rocks are hard and can be found everywhere on the ground. They are made of minerals and can vary in size and shape.
She picked up a small rock.
The rock is very heavy.
When you rock, you make a gentle movement. This can be used for boats or when helping a baby to sleep.
The boat began to rock on the waves.
He likes to rock the baby to sleep.
Rock music is a popular type of music that is loud and has strong rhythms. It often includes guitars and drums.
She loves listening to rock music.
They went to a rock concert last night.
When something is described as 'rock solid', it means it is very reliable and stable. This is often used in various contexts to imply strength.
The foundation needs to be rock solid.
Her rock performance helped build trust.
