aquarium

noun

aquar·​i·​um ə-ˈkwer-ē-əm 

plural aquariums or aquaria ə-ˈkwer-ē-ə 

1

: a container (such as a glass tank) or an artificial pond in which living aquatic animals or plants are kept

2

: an establishment where aquatic organisms are kept and exhibited

Examples of aquarium in a Sentence

Recent Examples on the Web

Senate Majority Leader Bob Duff, D-Norwalk, had half an answer to the question of why an aquarium in a Republican senator’s district would be getting half as much money in the two-year state budget as an aquarium in Duff’s district would. —Mark Pazniokas, Hartford Courant, 4 June 2025

Ellie eventually made it to the aquarium – after a stressful close encounter with some Seraphites – and found Abby’s friends Owen (Spencer Lord) and Mel (Ariela Barer), both of whom were there when Abby killed Joel (Pedro Pascal) earlier this season. —Alli Rosenbloom, CNN Money, 25 May 2025

The first marine animals have arrived at Sea Life Florida at LEGOLAND Florida Resort in Winter Haven as the aquarium prepares for its grand opening June 6. —Usa Today Network Staff, USA Today, 23 May 2025

The aquarium is located in one of the world’s most scenic locations, in Norway’s western fjords. —Joanne Shurvell, Forbes.com, 30 May 2025

Word History

Etymology

probably alteration of aquatic vivarium

First Known Use

circa 1847, in the meaning defined at sense 1

Phrases Containing aquarium

• tropical aquarium

Rhymes for aquarium

• herbarium
• ovarium
• puparium
• samarium
• zoarium
• armamentarium
• cerium
• honorarium
• planetarium
• sanitarium

Kids Definition

aquarium

noun

aquar·​i·​um ə-ˈkwar-ē-əm 

-ˈkwer-

plural aquariums or aquaria

-ē-ə

: a container (as a glass tank) in which living water animals or plants are kept

also : an establishment where collections of such animals or plants are kept and shown