mātrālis — Lewis & Short
mātrālis, e, adj.mater,
I pertaining to a mother:
Matralia festa,Ov. F. 6, 533, or simply Matralia, the festival of Mater Matuta, i. e. Ino, celebrated annually on the 11th of June: Matralia Matris Matutae festa, Paul. ex Fest. p. 125 Müll.:
Matralibus id faciunt matronae,Varr. L. L. 5, § 106 Müll.:
ite, bonae matres, vestrum Matralia festum,Ov. F. 6, 475:
festa Matralia,id. ib. 6, 533.