Lewis : reclinatorium
reclinatorium, rēclīnātōrĭum, i, n. reclino; in plur., the back of a couch: reclinatoria vulgus appellat ornamenta lectorum, quae fulciunt toros sive caput, Isid. Orig. 19, 26, 3. The seat in a chariot: aureum, Vulg. Cant. 3, 10.
