Hello, you have come here looking for the meaning of the word Río Negro. In DICTIOUS you will not only get to know all the dictionary meanings for the word Río Negro, but we will also tell you about its etymology, its characteristics and you will know how to say Río Negro in singular and plural. Everything you need to know about the word Río Negro you have here. The definition of the word Río Negro will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofRío Negro, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.