centerfold

[ sen-ter-fohld ]
/ ˈsɛn tərˌfoʊld /

noun

a gatefold bound into the center of a magazine or book signature.
a photograph of a woman or man in a nude or seminude pose appearing on a magazine centerfold.
the person in such a photograph.

Origin of centerfold

An Americanism dating back to 1950–55; center + fold1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019