yapp
/jæp/noun
mass noun
- Brit. a form of bookbinding with a limp leather cover projecting to fold over the edges of the leaves, typically used for bibles〈英〉卷边装订, 护边装订（用软皮革作封面, 且有加长部分保护页边的装订法, 多用于《圣经》）。
词源
late 19th cent.: named after William Yapp, a London bookseller， for whom this style of binding was first made （c.1860）.