Cōl'i-sē'um, n.

n. [N. Lat. coliseum, and colosseum, It. colìseo, colìsseo, culìseo, culìsseo, from Lat. colosseus, colossal, from colossus, Gr. κολοσσός, a gigantic statue; so called from the gigantic statue of Nero, that was placed there. Cf. COLOSSEUM.] The amphitheater of Vespasian at Rome, the largest in the world. [Written also colosseum.]