the world > space > relative position > posture > action or fact of lying down or reclining > lie down or recline [verb (intransitive)] > lie down or assume reclining position > prostrate (2)
intransitive. To fall prostrate; to lie down at full length. Cf. stretch, v. 1e.
intransitive. To become prostrate; to fall forward with the face downward; to throw oneself to the ground in reverence or submission (cf. sense 1b).