Fiscus
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In Roman law. The treasury of the prince or emperor, as distinguished from "œrarium," which was the treasury of the state.
Spelman.
The treasury or property of the state, as distinguished from the private property of the sovereign.
In English law
The king's treasury, as the repository of forfeited property. The treasury of a noble, or of any private person.
Spelman.