colosseum colossean • colosseum-activities · · · Info · Definitions · Characters · · colosseum · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) a large amphitheater in Rome whose construction was begun by Vespasian about AD 75 or 80. Synonyms: Colosseum, Amphitheatrum Flavium. · · Noun Definition 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075