endpaper 也作 end paper

n.（名詞）
Either of two folded sheets of heavy paper having one half pasted to the inside front or back cover of a book and the other half pasted to the base of the first or last page.Also called end leaf
蝴蝶頁(yè)，襯頁(yè)：兩張疊起來(lái)的加厚紙的任一頁(yè)，其中一頁(yè)與書(shū)的封面或封底的里板粘在一起，另一頁(yè)粘到首頁(yè)或底頁(yè)的底部也作 end leaf