fish tank

/F IH1 SH T AE1 NG K/
noun
  1. 1

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

    โ€œI sprinkled little flakes into the fish tank for the guppies to eat.โ€

  2. 2

    A section of a prison for newly arrived inmates.

Source: https://en.wiktionary.org/wiki/fish%20tank