patriapotestas Save DMLBS patriapotestas [al. div.] , the power of a father (over his family). 1166 parentes vero comitis patriampotestatem ostendentes in sobolem G. Foliot Ep. 162; Diceto YH 319 (v. patriciatus a); emancipatione solvitur patria potestas Bracton 6b.