Meaning of SAND in English

SAND

(SMALL GRAINS) [noun] [U] - (a mass of) very small grains which used to be rock and which form deserts and some beachesa grain of sandcoarse/fine sandThe children played all day in/on the sand with their buckets (US sandpails) and spades.Sand is also used in building work.Lay the slabs for the path on a thick layer of sand.They mixed sand and cement to make mortar.A sand dune is a hill of sand made by the wind on the coast or in a desert.We looked for a sheltered spot in the sand dunes to do some sunbathing.Sand trap is (US) for bunker (HOLLOW AREA).

Cambridge English vocab.      Кембриджский английский словарь.