1. a place where wild animals are kept for people to look at, study, and protect
2. a place or situation that is very busy, crowded, or chaotic
Usage: informal

Examples

• We visited the zoo to see the elephants and tigers.
• The children were excited to feed the giraffes at the zoo.
• The city zoo has a new penguin exhibit.
• Many zoos participate in wildlife conservation programs.
• The airport was a complete zoo during the holiday rush.
• Her house turns into a zoo when all the kids come over.
• The zoo keeper explained how they care for the animals.