Definitions

1. noun

a place or building where aquatic animals or plants are kept, especially for display or research.

“The aquarium was a popular tourist destination in the city.”

2. noun

a group of aquariums, especially in a single building or complex.

“The new aquaria in the city featured a variety of marine life from around the world.”

3. noun

a collection of fish or other aquatic animals, especially in a public display or exhibition.

“The aquaria at the museum featured a stunning collection of coral and tropical fish.”