English

Noun

flag day ‎(plural flag days)

1. (Britain, Ireland) A day on which a registered charity raises money, usually by selling small lapel flags.
2. (software) A day designated for changing to an incompatible system.
3. (software) A change which is neither forward nor backward compatible.

Translations

See also

• New Hacker's Dictionary entry for Flag Day

Anagrams

• Glyfada