[speerer]

Do you mean in the USA, perhaps? It's used more prevalently there, I think it's more likely for an average citizen to refer to a document than a collection of laws and customs. But I don't think that contex overtakes the original meaning.

[vinay427]

The GP comment specifically refers to the contemporary connotation, and at least in English there is some consensus around constitutional governments in this modern sense (e.g. Ireland, India, Germany, etc.) as opposed to those that aren’t.