noun
mass nounBritishA form of bookbinding with a limp leather cover projecting to fold over the edges of the leaves, typically used for bibles.
as modifier ‘an old yapp album’- ‘Other attempts to reduce size made by yapp are leaving out whitespace, and avoiding use of the system library.’
Origin
Late 19th century named after William Yapp, a London bookseller, for whom this style of binding was first made (c1860).
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