butterfly gate n.— «The insert was among several in the Nov. 15 issue, celebrating the magazine’s 40th anniversary. All the inserts were what the industry calls butterfly gates—ad pages on the outside, which unfold to reveal pages of...
butterfly gate n.— «The insert was among several in the Nov. 15 issue, celebrating the magazine’s 40th anniversary. All the inserts were what the industry calls butterfly gates—ad pages on the outside, which unfold to reveal pages of...
