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Definition of aquarium

aquarium

/əˈkwɛə.ri.əm/
a · quar · i · um
Plural:aquariums
•
Adjective:aquarial
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aquarium Lexical Profile

aquarium Game Scores & Validity

• noun

1

A transparent tank or glass bowl of water in which live fish, aquatic animals, and underwater plants are kept.

Example

"She spent the weekend cleaning the gravel and changing the water in her home aquarium."

2

A public building or institution where aquatic plants and animals are kept for exhibition, conservation, and scientific study.

Example

"The marine biologist works at the national aquarium, conducting research on coral reef ecosystems."

Synonyms
View all synonyms for aquarium

• Rhymes for aquarium

• Nearby Words

aquaphobic
aquarian
aquarist
aquarium
aquarobics
aquatic
aquatics

Word Origin & Etymology

Mid 19th century: from Latin, neuter of 'aquarius' (of water), from 'aqua' (water). Originally referring to a watering place for cattle, the term was adopted by naturalists to describe a vivarium for aquatic life.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Aquarium. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/aquarium
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