Cayce (KAI-see), city (1990 pop. 11,163), Lexington co., central S.C., on Congaree R., 2 mi/3.2 km S of downtown Columbia; 33°57'N 81°03'W. Mfg. includes steel fabrication, burial vaults, pizza dough, structural framing, steel reinforcing bars, paints, commercial water heaters; Agr. includes dairying, poultry, hogs, corn. Cayce Historical Mus. is here.