pixie; I think the salient part of that dictionary definition is; "(or, in some jurisdictions, two people of the same sex) as partners in a relationship"
Like sharia law, It has far from universal acceptance.
......."I have spoken to many Christians over the years, and most will openly admit to having never read the Bible and few actually have much idea what is in their Bible"......
Many use the internet but dont understand html code! Does that make them technophobes?