Lewis Short
pĕtītrix (noun F) : id.
* A female applicant or candidate for office (post-Aug.), Auct. Quint. Decl. 252.
* Judicial t. t., a female claimant or plaintiff (post-class.): contra petitricem pronuntiavit,Dig. 36, 1, 74 fin.
Charlton T. Lewis, Charles Short, A Latin Dictionary