Noun
oceanarium (plural oceanariums or oceanaria)
A park where visitors can see marine mammals and/or fish.
Visit the Oceanarium Restaurant at Pacific Beach Hotel, where an incredible three-story, 280,000-gallon saltwater fish tank holds hundreds of Hawaii's tropical fish. Source: Internet
Located in Parque das Nacoes, this apartment building is within 1 mi (2 km) of Atlantic Pavilion and Lisbon Oceanarium. Source: Internet