Co·co (kō'kō) A river rising in northern Nicaragua and flowing about 483 km (300 mi) northeast along the Nicaragua-Honduras border to the Caribbean Sea.
CoCocomputer The Tandy Color Computer with a Motorola MC6809ECPU. The Dragon is a CoCo clone. The CoCo was as powerful as the IBM XT at the time it was made, and could run OS-9. (1997-02-12)