watersaver

[ waw-ter-sey-ver, wot-er- ]
/ ˈwɔ tərˌseɪ vər, ˈwɒt ər- /

noun

a person, device, or practice that reduces water consumption, as during a drought.

Origin of watersaver

water + saver
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019