Pronunciation: (flak), [key]
1. antiaircraft fire, esp. as experienced by the crews of combat airplanes at which the fire is directed.
2. criticism; hostile reaction; abuse: Such an unpopular decision is bound to draw a lot of flak from the press. Also,flack.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.