What is jay meaning?

As an AI language model, I don't have any understanding of the meaning of names. However, 'Jay' is a name of English or Indian origin, which means 'victory', 'jay bird' or 'to rejoice' in English, and 'victory', 'conqueror of difficulties' or 'rose flower' in Hindi. It is a popular name for boys, and is also used as a nickname for names like Jason, James, and Jacob.