a large mass of stone that sticks up out of the ground or the sea, or a separate piece of stone
I stacked rocks on top of one another.
The hikers rested on a large rock, enjoying the breathtaking view of the valley.
Waves crashed against the rugged rocks along the coastline.
The musician strummed the guitar, creating a melody that echoed through the rock formations.
Geologists studied the layers of rock to understand the Earth's geological history.
