the world > the earth > structure of the earth > constituent materials > stone > stony material > [noun] > gravel or shingle > gravel (15)
A material consisting of coarse sand and water-worn stones of various sizes, often with a slight intermixture of clay, much used for laying roads…
Any of various types of stony or gravelly subsoil; rubble, gravel.
Scottish and English regional (northern). Gravel. Cf. channelly, adj. Obsolete.