To make ineligible for something.
To exclude from consideration by the explicit revocation of a previous qualification.
To throw oneself down in submission.
To lie flat or face-down.
To overcome or overpower.
To cause to lie down, to flatten.
Lying flat, face-down.
Physically incapacitated from environmental exposure or debilitating disease.
Trailing on the ground; procumbent.
Emotionally devastated.