aquar·​i·​um | \ ə-ˈkwer-ē-əm How to pronounce aquarium (audio) \
plural aquariums or aquaria\ ə-​ˈkwer-​ē-​ə How to pronounce aquarium (audio) \

Definition of aquarium

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 Cameron Fields reports the work began with the Super Bowl in 2020, and the aquarium will show the documentary for free virtually on April 27 at 10 a.m. Cliff Pinckard, cleveland, "Wolstein mass vaccination center may switch from Johnson & Johnson vaccine, remain open longer: The Wake Up for Wednesday, April 14, 2021," 14 Apr. 2021 By using a suction pad that can be stuck to the side of the aquarium, this leaf hammock mimics their natural environment. Kala Herh, NBC News, "18 best gifts for dogs, cats and other pets 2021," 11 Apr. 2021 Not wanting to kill these magnificent fish thoughtless, saltwater aquarium owners dumped them into the Atlantic Ocean. John Christopher Fine,, "Lionfish menace continues | Opinion," 9 Apr. 2021 Aquarium staffers rescued the otter, and it was later moved from the aquarium to a rehabilitation center in Washington. oregonlive, "Sea otter dies after being rescued from Oregon coast beach," 7 Apr. 2021 The pair of North American River Otters have joined the aquarium's resident senior otter duo, Ace and Stono (18- and 17-years-old, respectively). Meghan Overdeep, Southern Living, "South Carolina Aquarium Welcomes Two New River Otters!," 6 Apr. 2021 Steve also cracked some jokes about Jordan renting out an entire aquarium as a Valentine's Day gift to Lori. Benjamin Vanhoose,, "Steve Harvey Says He 'Can't Find' Anything 'Wrong' with Daughter Lori's Boyfriend Michael B. Jordan," 22 Mar. 2021 An aquarium in Germany, though, may pour cold water on such hopes. Hannah Fry, The New Yorker, "What Data Can’t Do," 22 Mar. 2021 There's Greta's continued longing for Riley and yet another quiet, slow-motion moment shared in the aquarium bathroom. Kyle Fowle,, "Generation recap: A lighter, funnier take on HBO’s typical teen drama," 12 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aquarium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aquarium

circa 1847, in the meaning defined at sense 1

History and Etymology for aquarium

probably alteration of aquatic vivarium

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Time Traveler for aquarium

Time Traveler

The first known use of aquarium was circa 1847

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Statistics for aquarium

Last Updated

17 Apr 2021

Cite this Entry

“Aquarium.” Dictionary, Merriam-Webster, Accessed 18 Apr. 2021.

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More Definitions for aquarium



English Language Learners Definition of aquarium

: a glass or plastic container in which fish and other water animals and plants can live
: a building people can visit to see water animals and plants


aquar·​i·​um | \ ə-ˈkwer-ē-əm How to pronounce aquarium (audio) \

Kids Definition of aquarium

1 : a container (as a tank or bowl) in which fish and other water animals and plants can live
2 : a building in which water animals or water plants are exhibited

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