(1):
(n.) The act of falling down, or of bowing in humility or adoration; primarily, the act of falling on the face, but usually applied to kneeling or bowing in reverence and worship.
(2):
(n.) The condition of being prostrate; great depression; lowness; dejection; as, a postration of spirits.
(3):
(n.) A latent, not an exhausted, state of the vital energies; great oppression of natural strength and vigor.
(4):
(n.) The act of prostrating, throwing down, or laying fiat; as, the prostration of the body.