What is another word for rain gauge?
Pronunciation: [ɹˈe͡ɪn ɡˈe͡ɪd͡ʒ] (IPA) 
Rain gauge, the instrument used for measuring rainfall, has several synonyms. A pluviometer or pluviograph is another term for a rain gauge, both coined from the Latin term pluvia for rain. A udometer has the same function as a rain gauge, but it is cylindrical in shape and can measure not only rain but also other kinds of precipitation like snow. Another synonym is a hyetometer, which is a high-precision type of rain gauge used in scientific research. A tipping bucket rain gauge, as the name suggests, has a bucket mechanism that tips over and empties after collecting a specific amount of rain, and can measure rainfall intensity as well as accumulation.
