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 Some people thought the aquarium’s whales were fake, clockwork contraptions in rubber suits. Jeff Suess, The Enquirer, "Tragic tale of the whales displayed at a Cincinnati resort in 1877," 25 Apr. 2021 The aquarium is currently open to the public with mask-wearing and 30-minute time slots to ensure reduced capacity. Theresa Machemer, Smithsonian Magazine, "Otters at Georgia Aquarium Test Positive for Coronavirus," 22 Apr. 2021 And this aquarium isn’t just creatures and letters. oregonlive, "Portland artist Mike Bennett is making his yard into a ‘magical’ aquarium alphabet this spring," 19 Apr. 2021 The aquarium is open 10 a.m.-4 p.m. Monday through Friday, 10 a.m.-5 p.m. Susan Glaser, cleveland, "Spring break ideas 2021: Cleveland-area suggestions for a much-needed day(s) off," 16 Mar. 2021 There's Greta getting high for the first time in an aquarium along with Riley and Chester. Kyle Fowle,, "Generation recap: A lighter, funnier take on HBO’s typical teen drama," 12 Mar. 2021 The aquarium will show the documentary for free virtually on Tuesday at 10 a.m. Anyone who wants to watch can register here. Cameron Fields, cleveland, "NFL Draft to host plethora of community events in Cleveland: See the list," 21 Apr. 2021 The aquarium said the decision to test the otters was made based on the clinical signs in the group. Nancy Clanton, ajc, "Georgia Aquarium’s otters test positive for virus that causes COVID-19," 19 Apr. 2021 These animals do not have direct contact with guests and have always been separated from them by acrylic barriers, the aquarium said. Rachel Trent, CNN, "Otters at Georgia Aquarium test positive for coronavirus," 19 Apr. 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

11 May 2021

Cite this Entry

“Aquarium.” Dictionary, Merriam-Webster, Accessed 14 May. 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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