|1.||loose material consisting of rock or mineral grains, esp rounded grains of quartz, between 0.05 and 2 mm in diameter|
|2.||(often plural) a sandy area, esp on the seashore or in a desert|
|3.||a. a greyish-yellow colour|
|b. (as adjective): sand upholstery|
|4.||the grains of sandlike material in an hourglass|
|5.||informal (US) courage; grit|
|6.||draw a line in the sand to put a stop to or a limit on|
|7.||the sands are running out there is not much time left before death or the end|
|8.||(tr) to smooth or polish the surface of with sandpaper or sand: to sand a floor|
|9.||(tr) to sprinkle or cover with or as if with sand; add sand to|
|10.||to fill or cause to fill with sand: the channel sanded up|
|[Old English; related to Old Norse sandr, Old High German sant, Greek hamathos]|
Small, loose grains of worn or disintegrated rock.
|sand (sānd) Pronunciation Key
A sedimentary material consisting of small, often rounded grains or particles of disintegrated rock, smaller than granules and larger than silt. The diameter of the particles ranges from 0.0625 to 2 mm. Although sand often consists of quartz, it can consist of any other mineral or rock fragment as well. Coral sand, for example, consists of limestone fragments.