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