* Group, class, assembly, multitude: This is the most common meaning of "Gan". It refers to a collection of people, objects, or things. For example, "Deva-gan" (देवगण) refers to the assembly of gods.
* Mathematics: In mathematics, "Gan" refers to a number or quantity.
* Music: "Gan" can also refer to a musical scale or melody.
* Grammar: In Sanskrit grammar, "Gan" can be a specific class of words.
Therefore, the exact meaning of "Gan" depends on the context in which it is used.
To get a more precise understanding, please provide me with the full sentence or phrase where you encountered the word "Gan".