water saver

noun

1. a device or method that reduces the amount of water used

   B1

   countable

   • "We installed a water saver on the tap to use less water."B1
   • "This water saver helps reduce water use in the shower."A2
   • "Modern water savers can cut household use without changing how the fixtures look."C1
   • "The new irrigation system is an effective water saver during dry seasons."B2

2. a person who tries to use less water

   B2

   countable

   • "She is a water saver at home."A2
   • "Water savers often take shorter showers."B1
   • "The campaign asks water savers to report leaks in public spaces."B2