Flakartillerie - the full term, meaning anti-aircraft artillery, as found in my Langenscheidt's German dictionary.
May 25 2007, 2:56 AM
Arpeggionist
Answer has 2 votes
Arpeggionist 21 year member
2173 replies
Answer has 2 votes.
FLAK itself is also an acronym for something regarding the German airforce, from which the word is shortened (first to flakartillerie, then simply to flak).
May 25 2007, 7:13 AM
queproblema
Answer has 3 votes
queproblema 19 year member
2119 replies
Answer has 3 votes.
flak (from the German Flugabwehrkanone, aircraft defense cannon).