plural of Roman collar

A clerical collar.

Rhaeto-Romance

(now historical) The monarch of the Holy Roman Empire, originally specifically prior to their formal coronation as emperor by the Pope.

plural of Roman month

(now historical) A quantity of tax paid by electorates or other constituent states to the Holy Roman Empire. Abbreviated as RM.

The legal system of Ancient Rome. / The legal system applied in most of Western Europe until the end of the 18th century.

(literature) A type of 1950s French novel that diverged from classical literary genres; antinovel.

(possibly obsolete) Copper(II) sulfate; bluestone.

(Roman Catholicism) The Canon of the Mass, the oldest anaphora of the Roman rite of the Mass.