Lewis & Short

Turpĭlĭus, i, m.; Turpĭlĭa, ae, f., the name of a Roman gens. So, Sex. Turpilius, a Roman comic poet, a contemporary and friend of Terence, Cic. Fam. 9, 22, 1; cf. id. Tusc. 4, 34, 72.
Fem. Turpilia, Cic. Fam. 7, 21.