gravel

/ˈɡɹævəl/ · noun

Meaning

Small fragments of rock, used for laying on the beds of roads and railways, and as ballast.
A type or grade of small rocks, differentiated by mineral type, size range, or other characteristics.
A particle from 2 to 64 mm in diameter, following the Wentworth scale
Kidney stones; a deposit of small calculous concretions in the kidneys and the urinary or gall bladder; also, the disease of which they are a symptom.
To apply a layer of gravel to the surface of a road, etc.
To puzzle or annoy
To run (as a ship) upon the gravel or beach; to run aground; to cause to stick fast in gravel or sand.
To check or stop; to embarrass; to perplex.
To hurt or lame (a horse) by gravel lodged between the shoe and foot.