a. [ L. decumbens, -entis, p. pr. of decumbere; de- + cumbere (only in comp.), cubare to lie down. ] 1. Lying down; prostrate; recumbent. [ 1913 Webster ]

The decumbent portraiture of a woman. Ashmole. [ 1913 Webster ]

2. (Bot.) Reclining on the ground, as if too weak to stand, and tending to rise at the summit or apex; as, a decumbent stem. Gray. [ 1913 Webster ]

adv. In a decumbent posture. [ 1913 Webster ]