fish tank

American  

[fish tank] / ˈfɪʃ ˌtænk /

Sometimes fishtank

noun

fish tanks plural

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

---

Other Word Forms

Noun Inflected Forms

• fish tanks
  plural

Etymology

Origin of fish tank

First recorded in 1880-85

Example Sentences

See Examples For:

fish tank

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

Robbie Collin of the Daily Telegraph concurred, his headline describing his experience of the film "like watching £300m of glitter tipped into a fish tank."

From BBC ● Dec. 22, 2025

In the corner of the room, boxes and bags stuffed with clothes, towels and blankets that hadn’t been fouled by smoke from the Eaton fire sat next to a fish tank with discolored water.

From Los Angeles Times ● Mar. 20, 2025

LaChapelle is already working on the next book that will showcase the last few years of original work — including submerging Charli XCX in a fish tank.

From Los Angeles Times ● Sep. 6, 2024

I imagined our pink vinyl booth at Ming Palace, the fish tank and those fish that saw only their own reflections.

From "The Thing About Jellyfish" by Ali Benjamin