Definitions
1.NounA waterspout (whirlwind).
2.NounSynonym of water crane.
3.NounA power-generation mechanism that makes use of the pressure differential created by changing water levels due to tide action, which is used to drive turbines or pumps.
4.NounA framework or initiative that focuses on water resources in sustainable development and climate action.
5.NounUsed other than figuratively or idiomatically: see water, pillar.; a pillar formed of water.