The Collaborative International Dictionary
Recumbently
Recumbent \Re*cum"bent\ (-bet), a. [L. recumbens, -entis, p. pr. of recumbere. See Recumb, Incumbent.] Leaning; reclining; lying; as, the recumbent posture of the Romans at their meals. Hence, figuratively; Resting; inactive; idle. -- Re*cum"bent*ly, adv.
Wiktionary
recumbently
adv. In a recumbent manner; while lying down.