prostrate in WordNet English dictionary

1. get into a prostrate position, as in submission
   prostrate  bow down 
   
2. render helpless or defenseless
   "They prostrated the enemy"
   prostrate 
   
3. throw down flat, as on the ground
   "She prostrated herself with frustration"
   prostrate 
   

1. stretched out and lying at full length along the ground
   "found himself lying flat on the floor"
   flat  prostrate 
   
2. lying face downward
   prone  prostrate