Lewis & Short

2. Stător, ōris, m. [sisto], one who causes any thing to stand fast, a stayer, supporter, an epithet of Jupiter, Liv. 1, 12, 6; Cic. Cat. 1, 5, 11; 1, 13, 31; id. Fin. 3, 20, 66; Sen. Ben. 4, 7, 1; Ov. F. 6, 793; Vell. 2, 131.
Plur., Plin. 2, 53, 54, § 140.
Also, of Mars, Vell. 2, 131, 1.