One entry found for flak.
Main Entry: flak
Variant(s): also flack /primarystressflak/
Function: noun
Inflected Form(s): plural flak also flack
Etymology: derived from the German word for "antiaircraft guns," from the first letters of Flieger "flier" and Abwehr "defense" and Kanonen "cannons"
1 : antiaircraft guns or the bursting shells fired from them
2 : severe criticism

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