sectarius

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

sectārĭus, a, um, adj. [seco],

gelded , castrated : vervex, Plaut. Capt. 4, 2, 40 (but Fest. p. 336 Müll.: sextarius vervex, qui gregem agnorum praecedens ducit, i.e. bellwether , from secta).