1.Definition: a line corresponding to the surface of the water when the vessel is afloat on an even keel; often painted on the hull of a ship

Related Noun(s):water line, waterline

Category: Places

2.Definition: a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube

Category: Objects

3.Definition: the level of the surface of a body of water

Category: General

4.Definition: underground surface below which the ground is wholly saturated with water

"Spring rains had raised the water table"

Category: Objects