water year (English, noun)
expansion: water year (plural water years)
Senses:
topics: geography
hydrology
natural-sciences
glosses: The timespan between October 1 and September 30 of the next year, differing from the calendar year because part of the precipitation that falls in late autumn and winter accumulates as snow and does not drain until the following spring or summer.
Forms:
form: water years
tags: plural