Main Entry: sei·gnior·age

Variant(s): or sei·gnor·age \ˈsān-yə-rij\

Function: noun

Etymology: Middle English seigneurage, from Anglo-French seignurage right of the lord (especially to coin money), from seignur

Date: 15th century

: a government revenue from the manufacture of coins calculated as the difference between the face value and the metal value of the coins