aquarium
/əˈkwɛɹ.i.jəm/
Proposed by a contributor, not yet supported by evidence.
Also seen as: aquaria · aquariums
Sense 1
Meaning · English
A tank, often made of glass, for keeping live fish or other aquatic animals.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
A public place where live fish and other aquatic animals are exhibited.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “aquarium” mean?
A tank, often made of glass, for keeping live fish or other aquatic animals.
Is “aquarium” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.