pros·trate 
(prŏstrāt′)
(prŏstrāt′)tr.v. pros·trat·ed, pros·trat·ing, pros·trates
1. To put or throw flat with the face down, as in submission or adoration: "He did not simply sit and meditate, he also knelt down, sometimes even prostrated himself" (Iris Murdoch).
2. To cause to lie flat: The wind prostrated the young trees.
3. To reduce to extreme weakness or incapacitation; overcome: an illness that prostrated an entire family; a nation that was prostrated by years of civil war.
adj.
1. Lying face down, as in submission or adoration.
2. Lying flat or at full length.
3. Reduced to extreme weakness or incapacitation; overcome.
4. Botany Growing flat along the ground.
[Middle English prostraten, from prostrat, prostrate, from Latin prōstrātus, past participle of prōsternere, to throw down : prō-, forward; see PRO-1 + sternere, to spread, cast down; see ster-2 in the Appendix of Indo-European roots.]
prostra′tor n.