Voir dire

1. 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.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.