1. the level of the surface of a body of water (Freq. 1) • Hypernyms: elevation • Hyponyms: sea level 2. underground surface below which the ground is wholly saturated with water - spring rains had raised the water table • Syn: water table, groundwater level • Hypernyms: geological formation, formation 3. 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 • Syn: waterline, water line • Hypernyms: line • Hyponyms: load line, Plimsoll line, Plimsoll mark, Plimsoll 4. a water gauge that shows the level by showing the surface of the water in a trough or U-shaped tube • Hypernyms: water gauge, water gage, water glass