Legal term

Voir dire (English pronunciation: /ˈvw?'r ˈdɪər/) is a phrase in law which derives from Anglo-Norman.
In origin it refers to an oath to tell the truth (Latin verum dicere), in other words to give a true verdict. The word voir (or voire), in this context, is an old French word meaning "truth". It is unconnected with the modern French word voir, which derives from Latin vid?"re ("to see"), though the expression is now often interpreted by false etymology to mean "to see [them] say".
In the UK, Australia, New Zealand, Canada, and sometimes in the U.S. it refers to a "trial within a trial." It is a hearing to determine the admissibility of evidence, or the competency of a witness or juror.[1]
In the United States, it now generally refers to the process by which prospective jurors are questioned about their backgrounds and potential biases before being chosen to sit on a jury. It also refers to the process by which expert witnesses are questioned about their backgrounds and qualifications, in order to potentially give an expert opinion in court testimony. As defined by Gordon P. Cleary: "Voir Dire is the process by which attorneys select, or perhaps more appropriately reject, certain jurors to hear a case."

http://en.wikipedia.org/wiki/Voir_dire

Voir dire - The preliminary examination made in court of a witness or juror to determine his competency or interest in a matter. Literally, to speak the truth.
http://www.id.uscourts.gov/terms-uv.htm#sectV

whoops didn't see ya there, Ceili...

No worries, snuck in under the wire. lol