Rare, chiefly in publishing: ‘to fold in the manner of a gatefold’.
Definitions
To fold (a sheet, brochure, etc.) inward from both sides so that it opens out like a gate. The printer gatefolded the map to fit neatly inside the guidebook.
Synonyms
open out
fold out
fold into
fold inward
Used mainly attributively before another noun (e.g. "gatefold sleeve").
Definitions
Having or featuring a gatefold; designed with a gatefold. Fans appreciated the deluxe edition’s gatefold packaging.