What is "accubation"

Accubation \Ac`cu*ba"tion\ ([a^]k*k[-u]*b[=a]"sh[u^]n), n. [L. accubatio, for accubitio, fr. accubare to recline; ad + cubare to lie down. See Accumb.] The act or posture of reclining on a couch, as practiced by the ancients at meals.

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