Accubation

(n.) The act or posture of reclining on a couch, as practiced by the ancients at meals.

Thesaurus Entries

accubation, accumbency, accumbent, couchant, couche, crawling, dallying, dawdling, decumbency, decumbent, dillydallying, dolce far niente, draped, flat, goofing off, groveling, idling, lazing, lingering, loafing, loitering, loll, lolling, lying, mopery, procumbent, prone, proneness, prostrate, prostration, reclination, reclining, recumbency, recumbent, repose, reposing, resupine, sprawl, sprawled, sprawling, spread, supine, supineness, tarrying, trifling