__ Sleeve, Type of LP Cover Popular in the 70s
Puzzle 9 of Patterns in Nature Pack
Question is: __ Sleeve, Type of LP Cover Popular in the 70s
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.