Sectárius, Adiect. That other doe folowe. vt Vernex sectarius. Plaut.The bellwether that goeth before.Porcus sectarius. Cato. Sectacula.A following: a sequele.
Sector, âris, ári, Frequentat. Cic.To follow: to runue after: to folow in maners or forme of speaking. To hunt or chase.Sectari aliquem totos dies.Cic.Aliquem pennis sectars.Ouid.To flie after one.Fœcundi leporis sapiens sectabitur armos. Horat. One that hath a fine mouth, or is of a fine taste, will seeke to haue the wings, &c.Aratrum sectari. Tibull. Sectari belluas, apros, ceruos.Terent.To hunt or chase.Sectari léporem. Hor. To hunt the hare. Sectari aliquem.Terent.To folowe or imitate one, to follow ones trade.
Lewis and Short: Latin dictionary
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).