From Longman Dictionary of Contemporary EnglishRelated topics: Leisureaquariuma‧quar‧i‧um /əˈkweəriəm $ əˈkwer-/●くろまる○しろまる○しろまる noun (plural aquariums or aquaria /-riə/) [countable]1DLHa clearglass or plasticcontainer for fish and other water animals2TBBDLa building where people go to look at fish and other water animalsExamples from the Corpusaquarium• This variety is especially useful for planting in the corners of an aquarium, where it provides a shelter for refuge-seeking fishes.• The esthetic appearance of the finishedaquarium must of course be given some consideration.• Thanks to this quickgetawayaquariumheaters need not be shielded to protect Ampullaria from burns.• Comments: A. crispus is capable of adapting to many aquariumconditions.• Many of the diurnal, or daylight-active species are popularaquariumsubjects, but there are also several popular nocturnal species.• It is one of the most resistantaquarium plants and should become very popular.• With their large mouths they are capable of swallowing smaller aquarium fishes.• The tank is slightly overcrowded but regularmaintenance of the aquarium does alleviate this situation.Originaquarium(1800-1900)Latinaquarius"of water", from aqua; → AQUATIC