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1) Stretched out or lying flat with one's face to the ground; or

2) Exhausted, enervated, lacking in will or energy.

Not to be confused with "prostate" (one 'r'), the interior male sexual gland responsible for about two-thirds of the volume of male ejaculate (semen).
"All hail the power of Jesus' name, let angels prostrate fall...." (18th-Century Protestant hymn).

by al-in-chgo March 06, 2010
17 7
Lying flat on the back.
The prostrate man was trampled by the herd of wild boar.
by Larstait November 14, 2003
23 16