Lewis & Short

trīclīnĭāris, e, adj. [triclinium], of or belonging to an eating-couch or diningroom.

  1. I. Adj.: gradus, Varr. L. L. 8, § 32 Müll.: apothecae, id. ap. Non. 545, 4: mappae, id. L. L. 9, § 47 Müll.: lecti, Plin. 37, 2, 6, § 14: vestimenta, Dig. 33, 5, 20.
  2. II. Subst.: trīclīnĭārĭa, ĭum, n.
    1. A. An eating-room, dining-room, supper-room, Varr. R. R. 1, 13, 7.
    2. B. Tapestry or covering for table-couches, Plin. 8, 48, 74, § 196; 9, 39, 63, § 137.