gravel
/ˈɡɹævəl/noun
Small fragments of rock, used for laying on the beds of roads and railways, and as ballast.
Example sentence
- “Be careful on gravel roads.”
Related words
sandRock that is ground more finely than gravel, but is not as fine as silt (more formally, see grain sizes chart), forming beaches and deserts and also used in construction.boulderA large mass of stone detached from the surrounding land.duneA ridge or hill of sand piled up by currents of wind or water.cavernA large cave.marshAn area of low, wet land, often with tall grass or herbaceous plants.caveA large, naturally-occurring cavity formed underground or in the face of a cliff or a hillside.