Precipitation measurer (4,5)
(Other definitions for rain gauge that I've seen before include "Pluviometer" , "met recorder?" , "one can measure water" , "Meteorological instrument" , "The measure of a meteorologist" .)
(Other definitions for rain gauge that I've seen before include "Pluviometer" , "met recorder?" , "one can measure water" , "Meteorological instrument" , "The measure of a meteorologist" .)