Roman Antiq. Pl. -ia. [L. triclīnium, a. Gr. τρικλῑνιον, dim. of τρίκλῑνος, as sb. a dining-room with three couches, f. κλἰνη couch, bed.] A couch, running round three sides of a table, on which to recline at meals; a table-couch; also, a room for eating in; a dining-room.
1646. Sir T. Browne, Pseud. Ep., VII. xviii. 381. Fishponds, Gardens, Tricliniums.
1797. S. Lysons, Rom. Antiq. Woodchester, 17. These [apartments] occupy the situation assigned by Vitruvius for the triclinia of the spring and autumn.
1848. Mrs. Jameson, Sacr. & Leg Art (1850), 106. In the Triclinium of the old palace of the Lateran.