Tristris
Defined in 2 dictionaries — Black's (1910), Kinney (1893)
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In old forest law. A freedom from the duty of attending the lord of a forest when engaged in the chase. Spelman.
A Law Dictionary and Glossary
George C. Kinney · 1893
tristis, tritis, I. I. In old forest law, of attending the lord of a forest in the chase.