foldout

English Thesaurus

1. an oversize page that is folded in to a book or magazine (noun.communication)

hypernym	:	page,
definition	:	one side of one leaf (of a book or magazine or newspaper or letter etc.) or the written or pictorial matter it contains (noun.communication)

hyponym	:	centerfold, centrefold,
definition	:	a magazine center spread; especially a foldout of a large photograph or map or other feature (noun.communication)