fish tank

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• Hyphenation: fish‧tank

fish tank (plural fish tanks)

1. A container, usually made out of glass or acrylic, specifically designed for holding water and marine life.

   Synonyms: aquarium, fishbowl, tank

   I sprinkled little flakes into the fish tank for the guppies to eat.

2. (slang) A section of a prison for newly arrived inmates.