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
One of his interests is fishing, for example, so the children went on a field trip to an aquarium.
—
Kate Armanini, Chicago Tribune, 11 Feb. 2026
But then there's the famous shark aquarium and a massive sandy beach.
—Andrea Bennett, Condé Nast Traveler, 10 Feb. 2026
In the school's environmental lab, students grow produce hydroponically using a system powered in part by an aquarium that repurposes fish waste.
—Hannah Kliger, CBS News, 10 Feb. 2026
The scenes in the French capital are full of welcome color and life — everything from receptions in salons or at Versailles to a street carnival to a mermaid swimming in an aquarium — all chances to display sumptuous costumes by Corinne Bruand.
—Jocelyn Noveck, Boston Herald, 5 Feb. 2026
See All Example Sentences for aquarium
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Kate Armanini, Chicago Tribune, 11 Feb. 2026
But then there's the famous shark aquarium and a massive sandy beach.
—Andrea Bennett, Condé Nast Traveler, 10 Feb. 2026
In the school's environmental lab, students grow produce hydroponically using a system powered in part by an aquarium that repurposes fish waste.
—Hannah Kliger, CBS News, 10 Feb. 2026
The scenes in the French capital are full of welcome color and life — everything from receptions in salons or at Versailles to a street carnival to a mermaid swimming in an aquarium — all chances to display sumptuous costumes by Corinne Bruand.
—Jocelyn Noveck, Boston Herald, 5 Feb. 2026
See All Example Sentences for aquarium
Cite this Entry
“Aquarium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aquarium. Accessed 14 Feb. 2026.
Copy CitationKids 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
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Merriam-Webster unabridged
