Egg is a common English word with multiple meanings:
1. The oval reproductive body laid by birds, especially hens, used as food
2. In biology, an animal reproductive body consisting of an ovum together with its nutritive and protective envelopes
3. Slang for a person of a specified kind (e.g. "a good egg")
4. In computing, a Python package installer
5. Internet slang meaning "to encourage someone to do something foolish" (e.g. "Don't egg him on!")