certiorari

Etymology
From the present passive infinitive of, from the words used at the beginning of these writs when they were written in Latin:.

Noun

 * 1)  A grant of the right of an appeal to be heard by an appellate court where that court has discretion to choose which appeals it will hear.
 * 2)  A grant of review of a government action by a court with discretion to make such a review.

Etymology
Form of the verb.