1. Vespasian's amphitheatre at Rome, which was the largest in the world. See Colossus.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• colleseum,
• colloseum,
• colosium,
• colossuem,
• colseum,
• collesseum,
• coloseum,
• colluseum,
• coleseum,
• colossul,
• colossel,
• colisseum,
• coluseum,
• colliseum,
• colesseum,
• colossseum,
• colessium,
• colosseums,
• colossum,
• coliseum

• Colossians,
• cologne,
• Colossian,
• coliseum,
• colosimo,
• coalescence,
• Coulson,
• close-up,
• coalescency,
• coal seam.

The adjective form of the word "colosseum" is "colossean".

The plural of the "colosseum" can be the "colosseums".

The singular of the "colosseum" can be the "colosseum".