Definition of "zoo" in English

noun

1. (countable) A park where live animals are exhibited.

   • The London Zoo was built in 1828.

2. (countable, informal, figuratively) Any place that is wild, crowded, or chaotic.

   • The shopping center was a zoo the week before Christmas.

3. (countable, informal, figuratively) A large and varied collection of something.

4. (countable, US, military, slang) The jungle.

5. (countable, informal) Clipping of zoophile.