Same-sex marriage now legal in England and Wales
bbc.com
bbc.com
1. Queen regnant. http://en.wikipedia.org/wiki/Queen_regnant
2. Queen consort. http://en.wikipedia.org/wiki/Queen_consort
(OK, there are a couple more, queen dowager and queen mother, but I don't think they are relevant to this discussion).
I would expect the wife of a queen regnant to be a queen consort.