discerniculum

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

discernĭcŭlum, i, n. [discerno]. *

I The bodkin in a woman's head-dress, which parted the hair, a hair-bodkin , Lucil. ap. Non. 35, 31; cf. Varr. L. L. 5, § 129.—*

II Trop., a difference : coloris, Gell. 17, 15, 4; Ambros. Apol. Dav. Alt. 4, 26.