Answer:
I have legs but walk not, a strong back but work not. Two good arms but reach not. A seat but sit and tarry not.
A hole in a pole, though I fill a hole in white. I'm used more by the day, and less by the night.
Lovely and round, I shine with pale light, grown in the darkness, a lady's delight.
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
A device for finding furniture in the dark.
What never gets any wetter no matter how hard it rains?