Lewis Short
(adjective) : săgittārĭus, a, um, sagitta.
* Of or belonging to an arrow, arrow-: calamus,good for making arrows,Plin. 16, 36, 66, § 166: certamen,with arrows,Dict. Cret. 4, 19.
* Subst.: săgittārĭus, ii, m.
* An archer, bowman, a sort of light-armed troops, both foot and horse; usually in the plur., Caes. B. G. 2, 7; 2, 10; 2, 19; 7, 31; Sall. J. 46, 7; Cic. Phil. 5, 6, 18; id. Att. 5, 20, 5; id. Fam. 15, 4, 10; Amm. 29, 5, 22.—In sing., collect.: levis armatura cum equite sagittario,Tac. A. 2, 16 fin.; 13, 40.
* Săgittārii, ōrum, m., arrow-makers, arrow-smiths, Dig. 50, 6, 7.
* The constellation Sagittarius, or the Archer (otherwise called Arcitenens], Cic. Arat. 525; Hyg. Fab. 124; id. Astr. 2, 27; 3, 26; Plin. 17, 24, 36, § 215; 30, 11, 29, § 97.
Charlton T. Lewis, Charles Short, A Latin Dictionary