Averia
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In old English law. This term was applied to working cattle, such as horses, oxen, etc,
— Averia carrucæ. Beasts of the plow.
— Averiis captis in withernam. A writ granted to one whose cattle were unlawfully distrained by another and driven out of the county in which they were taken, so that they could not be replevied by the sheriff. Reg. Orig. 82.