Lying flat, face-down.
Physically incapacitated from environmental exposure or debilitating disease.
Trailing on the ground; procumbent.
Emotionally devastated.
To throw oneself down in submission.
To lie flat or face-down.
To overcome or overpower.
To cause to lie down, to flatten.
To keep safe; to defend; to guard; to prevent harm coming to.
To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight.