high water—
1. the tide when the surface of the water is at its greatest elevation:
- The height from low water to high water is called the range of the tide.
2. a flooded river or lake:
- She wanted a new house after a high water on the river carried her old one away.
highwaters—(sl.) trousers that are shorter than fashion dictates:
- His jovial blue highwaters are replaced by dark black Levi’s Hard Jeans.