What does "oceanarium" mean?

A park where visitors can see marine mammals and/or fish.

What is a synonym for "oceanarium"?

Common synonyms include: marine aquarium.

Pronounced //ˌəʊ.ʃəˈnɛəɹi.əm//.

/ˌəʊ.ʃəˈnɛəɹi.əm/ noun

noun ·Rare ·Advanced level

Noun

"How many dolphins are there at this oceanarium?"

From ocean + -arium, by analogy with aquarium.