Lewis & Short

trīclīnĭum, ii, n., = τρικλίνιον, a couch running round three sides of a table for reclining on at meals, an eating-couch, table-couch.

  1. I. Lit.: triclinio posito cenabimus, Varr. R. R. 3, 13, 2: sternere, id. L. L. 9, § 9 Müll.: habueris quinquaginta tricliniorum lectos, Cic. Verr. 2, 2, 74, § 183: in triclinio, quod in foro straverat, id. ib. 2, 3, 25, § 61; id. Mur. 36, 75; id. Att. 13, 52, 1 and 2; Plin. 33, 11, 52, § 146; Mart. 10, 13, 3 al.
  2. II. Transf., a room for eating in, a dining-room, supper-room: hiberna et aestiva, Varr. L. L. 8, § 29 Müll.; Libo ap. Cic. de Or. 2, 65, 263; Phaedr. 4, 23, 28; Manil. 5, 507.