Lying on the back, or with the face upward; - opposed to prone.
Leaning backward, or inclining with exposure to the sun; sloping; inclined.
Negligent; heedless; indolent; listless.
A verbal noun; or (according to C.F.Becker), a case of the infinitive mood ending in -um and -u, that in -um being sometimes called the former supine, and that in -u the latter supine.
Leaning; reclining; lying; as, the recumbent posture of the Romans at their meals. Hence, figuratively; Resting; inactive; idle.