Definition of "mortier" []

• A cap formerly worn by some English officials, and still in use among the judiciary of France. See mortar, 4. (noun)
• A headpiece in medieval armor. See second cut under armor. (noun)
• See mortar, 3. (noun)
• An obsolete form of mortar. (noun)

The Century Dictionary (Public Domain)

• "He then hastened to the apartment of Lord Lacy, whom he met dressed in a long furred gown and the knightly cap called a mortier, irritated at the noise, and demanding to know the cause which had disturbed the repose of the household."
• "His head was covered with a scarlet cap, faced with fur -- - of that kind which the French call mortier, from its resemblance to the shape of an inverted mortar."
• "Lord Lacy, whom he met dressed in a long furred gown and the knightly cap called a mortier, irritated at the noise, and demanding to know the cause which had disturbed the repose of the household."