Autrefois acquit
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In criminal law. Formerly acquitted. The name of a plea in bar to a criminal action, stating that the defendant has been once already indicted and tried for the same alleged offense and has been acquitted.
Simco v. State, 9 Tex. App. 348; U. S. v. Gibert, 25 Fed. Cas. 1,294.