sand

Definitions

• (uncountable) Rock that is ground more finely than gravel, but is not as fine as silt (more formally, see size (grain size)|grain sizes chart), forming beaches and deserts and also used in construction.
• (countable) A beach or other expanse of sand.
• (uncountable) Personal courage.
• (uncountable) A particle from 62.5 microns to 2 mm in diameter, following the Wentworth scale.
• A light beige colour, like that of typical sand.
• (countable) A single grain of sand.
• (countable) A moment or interval of time; the term or extent of one's life (referring to the sand in an hourglass).