Lewis Short
mātercŭla (noun F) : dim.mater
* A little mother (class.): tune igitur mea matercula? Plaut. Fragm. ap. Prisc. p. 601 P.: materculae suae festivus filius, * Cic. Fl. 36, 91; Hor. Ep. 1, 7, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary