Source : Webster's Revised Unabridged Dictionary (1913)

Patrimonial \Pat`ri*mo"ni*al\, a. [L. patrimonialis: cf. F.
   patrimonial.]
   Of or pertaining to a patrimony; inherited from ancestors;
   as, a patrimonial estate.

Source : WordNet®

patrimonial
     adj : inherited or inheritable by established rules (usually legal
           rules) of descent; "ancestral home"; "ancestral lore";
           "hereditary monarchy"; "patrimonial estate";
           "transmissible tradition" [syn: {ancestral}, {hereditary},
            {transmissible}]