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

The shark heist began on July 28, when two men and a woman entered the aquarium with an empty stroller. Avery Thompson, Popular Mechanics, "Shark Stolen From Aquarium, Returned Safe and Sound," 7 Aug. 2018 The rocky cave doubles as an undersea redoubt, like those little castles made for a kid’s aquarium but here blown up to mammoth size. Christopher Knight,, "Lauren Halsey takes a fantastic voyage in MOCA's 'we still here, there'," 24 May 2018 Another story suggests a big resort hotel in the Caribbean mishandled the filtration setup on its giant destination aquarium and pumped them out into the sea. Ben Lowy, Smithsonian, "The Lionfish Have Invaded, But a Ragtag Army of Divers and Chefs Are Fighting Back," 23 May 2018 The City of Trees is one of 23 places highlighted on the list that includes lobster boating (and eating) in Bar Harbor, Maine, and a visit to Monterey, California, and its world-class aquarium. Dana Oland, idahostatesman, "Yep, Boise makes another list. This one is for cheap summer travel. | Idaho Statesman," 30 Apr. 2018 Johnson also thanked the staff of the aquarium, which oversee more than 100,000 animals and sea creatures. Tyler Mccarthy, Fox News, "Dwayne 'The Rock' Johnson upsets animal rights advocates with pictures from aquarium visit," 6 Aug. 2018 The Cleveland Outdoor Adventure Show is now defunct, bringing an uptick in fishing events to the boat show, including the Fish NOW Expo, the Berkley Tank seminar fish aquarium, casting pond and daily fishing seminars., "Winter outdoor, boat and RV show season kicks off: D'Arcy Egan," 8 Jan. 2018 Visitors explore an aquarium at the Dubai Mall in the Emirati city on Jan. 2. WSJ, "Photos of the Week," 4 Jan. 2019 Amid the kelp, scuba divers (reservation, permit required) count this spot for some of the best fish-watching outside of an aquarium in California. Tom Stienstra, San Francisco Chronicle, "Sunday getaway to Carmel’s Point Lobos," 2 June 2018

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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Statistics for aquarium

Last Updated

22 Mar 2019

Look-up Popularity

Time Traveler for aquarium

The first known use of aquarium was circa 1847

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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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More from Merriam-Webster on aquarium

Rhyming Dictionary: Words that rhyme with aquarium

Spanish Central: Translation of aquarium

Nglish: Translation of aquarium for Spanish Speakers

Britannica English: Translation of aquarium for Arabic Speakers Encyclopedia article about aquarium

Comments on aquarium

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