POP
1. <language> A family of programming languages, POP-1, POP-2, POP-10, Pop-11, POP++, POP-9X, POPLOG.
See also pop, PoP.
PoP
Point Of Presence
pop
To remove something from the top of a stack.
Opposite of push.
(Not to be confused with Post Office Protocol or POP-1 the language).
[Jargon File]