Pronunciation: (niks), [key] Slang.
(used as an exclamation, esp. of warning): Nix, the cops!
to veto; refuse to agree to; prohibit: to nix the project.
Pronunciation: (niks), [key]
(in Germanic folklore) a water spirit that draws its victims into its underwater home.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.