Main Entry: ¹grav·el

Pronunciation: \ˈgra-vəl\

Function: noun

Etymology: Middle English, from Anglo-French gravele, diminutive of grave, greve river bank, stony ground

Date: 13th century

1 obsolete : sand
2 a : loose rounded fragments of rock b : a stratum or deposit of gravel; also : a surface covered with gravel <a gravel road>
3 : small calculi in the kidneys and urinary bladder