Feudum apertum

Definition of Feudum apertum

An open feud or fief; a fief resulting back to the lord, where the blood of the person last seised was utterly extinct and gone or where the tenant committed a crime, or gave other legal cause.

That's the definition of Feudum apertum in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.

Official tim editorial.