sellārĭa — Lewis & Short
sellārĭa, ae, f.sella,
I a room furnished with seats or settles; a sitting-room, drawing-room, Plin. 34, 8, 19, § 84; 36, 15, 24, § 111;
used by Tiberius for debauchery,Suet. Tib. 43; cf. sellarius.—
II A public courtesan, Vet. Schol. Juv. 3, 136.