Triclinium \Tri*clin"i*um\, n.; pl. {Triclinia}. [L., from Gr.
?, ?; ? (see {Tri-}) + {?} a couch.] (Rom. Antiq.)
(a) A couch for reclining at meals, extending round three
sides of a table, and usually in three parts.
(b) A dining room furnished with such a triple couch.
[1913 Webster]