'Voir dire' definitions:

Definition of 'Voir dire'

From: GCIDE

Voir dire \Voir dire\ [OF., to say the truth, fr. L. verus true + dicere to say.] (Law) An oath administered to a witness, usually before being sworn in chief, requiring him to speak the truth, or make true answers in reference to matters inquired of, to ascertain his competency to give evidence. --Greenleaf. Ld. Abinger. [1913 Webster]