Propios
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
or PROPRIOS.
In Spanish law. Certain portions of ground laid off and reserved when a town was founded in Spanish America, as the unalienable property of the town, for the purpose of erecting public buildings, markets, etc., or to be used in any other way, under the direction of the municipality, for the advancement of the revenues or the prosperity of the place. 12 Pet. (U. S.) 442, note.
Ballentine's Law Dictionary
James A. Ballentine · 1916
(Spanish) Productive lands set apart by cities or towns to aid their financial support. See 15 Cal. 530.