Black's Law Dictionary (2nd edition)dictionaries

Paravail

Inferior; subordinate. Tenant paravail signified the lowest tenant of land, being tbe tenant of a mesne lord. He was so called because he was supposed to make “avail” or profit of the land for an-other. Cowell; 2 Bl. Comm. CO

Source: Black’s Law Dictionary 2nd Ed (1910)