1. adjective /ˈpʌblɪk/
a) Pertaining to the affairs or official affairs of all people, not just those of a private group; contrasted with private.
b) Open to all.
See Also: people, population, pub, publican, publication, publicise, publicize, publicist, publicity, publicly, publish, republic
2. noun /ˈpʌblɪk/
The people in general, regardless of membership of any particular group.
Members of the public may not proceed beyond this point.
Wikipedia foundation.