cubitus

cŭbĭtus, ūs, m. [cubo], a lying down (very rare).

I Prop.: supini, proni, in latera, Plin. 28, 4, 14, § 54.—

B Esp., of coitus (for concubitus), in plur., Plaut. Am. 5, 1, 70.—

II Meton. (abstr. pro concr.), a bed, couch : foliis cubitus sibi sternunt, Plin. 24, 9, 38, § 59.