crushed rock

Synonyms:

gravel

Types:

ballast

coarse gravel laid to form a bed for streets and railroads

bank gravel, pit run, pit-run gravel

gravel as found in natural deposits

shingle

coarse beach gravel of small waterworn stones and pebbles (or a stretch of shore covered with such gravel)

Type of:

rock, stone

material consisting of the aggregate of minerals like those making up the Earth's crust