zoo

noun6

1. •
   a public park with animals from many parts of the world on show to visitors

   • The London Zoo was built in 1828.
2. •
   (informal, figurative) Any place that is wild, crowded, or chaotic.

   • The shopping center was a zoo the week before Christmas.
3. •
   (informal, figurative) A large and varied collection of something.

   • From this point on, an entire zoo of possibilities arose: strange stars, different families of neutron stars, hybrid stars, etc. — 2001
4. •
   (informal) Clipping of zoophile.

   • Zoophiles, or 'zoos,' are sexually and emotionally attracted to animals, as in a sexual orientation. — 2013
5. •
   (informal, slang) Pornographic material depicting actual animals or bestiality.
6. •
   (US, slang) The jungle.