Answer:
What is eaten but not grown and was born in water but will disappear if soaked?
When the creeper passes, all the grass kneels
The sharp slim blade, that cuts the wind.
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
Runs smoother than any rhyme, loves to fall but cannot climb.
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.