(formerly, in England) a writ calling upon a person to show by what authority he or she claims an office, franchise, or liberty.
2.
(in England and the U.S.) a trial, hearing, or other legal proceeding initiated to determine by what authority one has an office, franchise, or liberty.
3.
the pleading initiating such a proceeding.
Origin: 1250–1300;Middle English < Medieval Latinquō warrantō by what warrant