P / pĕtītrix
noun

pĕtītrix

gen. pĕtītrīcis · gender feminine · decl. 3rd
A female applicant; candidate
A female applicant or candidate for office (post-Aug.), Auct. Quint. Decl. 252.—
a female claimant; plaintiff
Judicial t. t., a female claimant or plaintiff (post-class.): contra petitricem pronuntiavit, Dig. 36, 1, 74 fin.