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