Rainfall

Rain'fall` (rān'fal`) noun A fall or descent of rain; the water, or amount of water, that falls in rain; as, the average annual rainfall of a region. « Supplied by the rainfall of the outer ranges of Sinchul and Singaleleh.» Hooker.
Found on http://www.encyclo.co.uk/webster/R/6

Rainfall

• (n.) A fall or descent of rain; the water, or amount of water, that falls in rain; as, the average annual rainfall of a region.
Found on http://thinkexist.com/dictionary/meaning/rainfall/

RAINFALL

The amount of precipitation of any type, primarily liquid. It is usually the amount that is measured by a rain gauge. Related terms: rain and quantitative precipitation
Found on http://www.weather.com/glossary/r.html

Rainfall

The amount of precipitation of any type, primarily liquid. It is usually the amount that is measured
Found on http://www.superglossary.com/Glossary/Science/Weather/
No exact match found