rainwaters

Noun

rainwater (usually uncountable, plural rainwaters)

1. (usually) Rainfall.
   • In early December, as rainwaters had started the monthlong process of flooding mines and washing out rail lines, workers lined up before 1 p.m. at an easy-to-miss storefront depot in Mackay.2011 December 1, Joel Kirkland, “Australia's Record Rains Squeeze World Coal Supplies as Scientists Study Climate Pattern”, in The New York Times
2. (usually) Water (for a house, etc.) sourced from rain which has not joined a spring, stream or river, pond, lake or sea.
   • Constructed of hard flint stone, which came as ballast from England and is now painted coral white, the house has a fishpond, or catchment, roof, dating from 1788, to collect rainwater.1987 January 18, Paula Deitz, “ISLAND LIVING, ENGLISH STYLE”, in The New York Times

See all 3 meanings of rainwater