fine particles of stone, esp. of siliceous stone, but not reduced to dust; comminuted stone in the form of loose grains, which are not coherent when wet.-a single particle of such stone.-the sand in the hourglass; hence, a moment or interval of time; the term or extent of one's life.-tracts of land consisting of sand, like the deserts of arabia and africa; also, extensive tracts of sand exposed by the ebb of the tide.-courage; pluck; grit.-to sprinkle or cover with sand.-to drive upon the sand.-to bury (oysters) beneath drifting sand or mud.-to mix with sand for purposes of fraud; as, to sand sugar.