Verses with the word watercourse in the Old Testament (2 verses):
2 Chronicles 32:30
This same Hezekiah also stopped the upper watercourse of Gihon, and brought it straight down to the west side of the city of David. And Hezekiah prospered in all his works.
Who hath divided a watercourse for the overflowing of waters, or a way for the lightning of thunder;