'Fountains' in the Bible

In the six hundredth year of Noah’s life, on the seventeenth day of the second month, on that same day all the fountains of the great deep [subterranean waters] burst open, and the windows and floodgates of the heavens were opened.

Also the fountains of the deep [subterranean waters] and the windows of the heavens were closed, the [pouring] rain from the sky was restrained,