SAND'STONE, noun [sand and stone.] sandstone is, in most cases, composed chiefly of grains of quartz united by a cement, calcarious, marly, argillaceous, or even silicious. The texture of some kinds is loose, of others close; the fracture is granular or earthy. Sandstones usually consist of the materials of older rocks, as granite, broken up and comminuted, and afterwards deposited again. SAND'-WORT, noun A plant.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI