Lewis & Short

biclīnĭum, ii, n. [vox hibrida, from bisκλίνη; cf. Quint. 1, 5, 68], a dining-couch for two persons (only in Plaut.), Plaut. Bacch. 4, 4, 69 (3, 84); 4, 4, 102 (3, 117).