lying down or reclining
Bernard enjoyed half an hour of that light and easy slumber which is apt to overtake idle people in recumbent attitudes in the open air on August afternoons — Henry James
said of a plant: growing close to the ground
said of a bodily organ: resting against another organ
recumbency /-si/ noun
recumbently adv
[Latin recumbent-, recumbens, present part. of recumbere to lie down]