Book Page, Wider Than the Others and Bent Back

This page is the CodyCross answer for the clue below from Space Exploration, Group 912, Puzzle 3 (Rings of Jupiter).

Question is: Book Page, Wider Than the Others and Bent Back

and the answer is: GATEFOLD

Word Meaning:

GATEFOLD — A document folding method that uses two parallel folds to create six panels; the left and right panels are half the width of the center panels and fold inward to meet in the middle without overlapping.

Definitions from Wiktionary.