A large, often circular building, for indoor sporting events, exhibitions, concerts, etc.; arena.
Frequency
Pronounced as (IPA)
/ˌkɑləˈsi.əm/
Etymology
From Medieval Latin coliseum, from Latin Colosseum, from neuter of colosseus (“gigantic”), from Ancient Greek κολοσσιαῖος (kolossiaîos), from κολοσσός (kolossós, “giant statue”). See also: w:Colosseum § Name on Wikipedia.