centerfold

noun

1. (US)The single larger sheet of paper that forms the middle two pages of a magazine or other publication, folded so as to open wider than a standard page spread.
2. (US)A large photograph printed on this sheet, typically in the form of a nude, or provocatively dressed, sexually attractive woman or man.
3. (US)The person appearing in such a photograph.

   “My blood runs cold / My memory has just been sold / My angel is the centerfold”

4. (US, broadly)Any very sexually attractive person, who is therefore material for such a photograph.