noun

1. loose, gritty particles of eroded or weathered rock, varying in size from about mm to 2 mm in diameter, usually deposited along the shores of bodies of water, in river beds, or in deserts
2. a tract or area of sand; beach, etc.

3. Etymology: with ref. to the sand in an hourglass

   particles (of time); moments
4. ☆ Slang grit; courage; determination
5. any of the colors characteristic of sand, variously reddish yellow to grayish tan

Etymology: ME < OE, akin to Ger sand, ON sandr < IE base *bhes-, to rub off, pulverize > Gr psammos, L sabulum

transitive verb

1. to sprinkle with or as with sand
2. to smooth or polish with sand, sandpaper, or other abrasive substance
3. to fill or cover with sand
4. to mix or adulterate with sand

adjective