dolphinarium
nounNAmE//ˌdɑlfəˈnɛriəm//, NAmE//ˌdɔlfəˈnɛriəm//
(pl. dolphinariums or dolphinaria NAmE//ˌdɑlfəˈnɛriə//, NAmE//ˌdɔlfəˈnɛriə//
)Check pronunciation: dolphinarium
Definition of dolphinarium noun from the Oxford Advanced American Dictionary