De*cum"bent (?), a. [L. decumbens, -entis, p. pr. of decumbere; de- + cumbere (only in comp.), cubare to lie down.]
Lying down; prostrate; recumbent.
The decumbent portraiture of a woman.
Reclining on the ground, as if too weak to stand, and tending to rise at the summit or apex; as, a decumbent stem.
© Webster 1913.