Bonitarian
Defined in 2 dictionaries — Cyclopedic (1922), Ballentine's (1916)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
In the Roman law. Right of possession. Hence bonitarian ownership was an equitable title or special property, as distinguished from quiritarian ownership, that in accordance vnth the strict forms of law.
Ballentine's Law Dictionary
James A. Ballentine · 1916
(Roman Law) A land title which was not wholly valid.