Siparium, siparij, neut. gen. Cicero. A courtaine vsed in slages. Dicitur & Sipparium, vel Supparium, duplici p. luuenalis.
Lewis and Short: Latin dictionary
sīpărĭum, ii, n. [kindr. with supparum, from si/paros, orig. a little sail; hence, transf.], I.The smaller curtain in a theatre (drawn up between the scenes of a comedy; cf. aulaeum, the main curtain): aulaeo subducto et complicitis sipariis, scena disponitur, App. M. 10, p. 253, 23; 1, p. 106, 4: post siparium, i. e.
behind the scenes
, Cic. Prov. Cons. 6, 14; Juv. 8, 186.—2.Meton., comedy (opp. cothurnus, tragedy): (verba) cothurno, non tantum sipario fortiora, Sen. Tranq. 11, 6.—II.A curtain or screen over the judges' seats to keep off the sun, Quint. 6, 1, 32 Spald.; 6, 3, 72.