Note 035
From Chapter 53 of the Decline & Fall

In aureo triclinio quae praestantior est pars potentissimus (the usurper Romanus) degens caeteras partes (filiis) distribuerat (Liutprand. Hist. l. v. c. 9, p. 469).

For this last signification of Triclinium (aedificium tria vel plura scilicet complectens),see Ducange (Gloss. Graec. et Observations sur Joinville, p. 240) and Reiske (ad Constantinum de Ceremoniis, p. 7).