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fish tank

American

[fish tank] / ˈfɪʃ ˌtænk /

Sometimes fishtank

noun

a glass-sided tank for keeping, displaying, or observing live fish or other aquatic animals.

Etymology

Origin of fish tank

First recorded in 1880-85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then they noticed Huber’s many sound recordings, along with the underwater microphones and copper plates in the fish tank.

From The Wall Street Journal • Mar. 18, 2026

"Chapeltown - it's like a fish tank," Davis said.

From BBC • Nov. 8, 2025

When the fish tank broke at Goode’s now-defunct restaurant the Park, Rodrigues was called in for a repair.

From Los Angeles Times • Aug. 25, 2024

Since then, Bolourchi has invested in a new type of fish tank — set to begin testing on Sept. 15 — that will convert the fish effluent directly into fertilizer.

From Seattle Times • Sep. 11, 2023

But Cletus and Ob were as enthralled as cats in front of a fish tank, so I just kept them happy by cooking five turkey TV dinners in a row and refilling their RC’s.

From "Missing May" by Cynthia Rylant

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023