Noun

1. A dyed or decorated egg, traditionally associated with Easter.
2. A chocolate confection in the shape of an egg, sometimes with chocolates or sweets inside.
3. An undocumented function hidden in a program, typically triggered by a particular sequence or combination of keystrokes, such as one that displays a list of the program's developers.
4. Any similar hidden feature accessible on a DVD movie, etc.

See also

• Wikipedia article on Easter eggs (decorated or chocolate eggs)
• Wikipedia article on Easter eggs in computing