mortier
/ˈmɔːtɪeɪ/Now rare
noun
In France: a cap worn by various officials as an emblem of high office.
- The mortier was formerly worn by the Chancellor of France and the Presidents of the French parliaments and is now worn, in a modified form, by senior officials and magistrates of the Cour des Comptes (the National Audit Office) and the Cour de Cassation (the Supreme Court of Appeal)..
Origin
Early 18th century; earliest use found in Ephraim Chambers (?1680–1740), encyclopaedist. From French mortier.