Definition of yapp in English:

yapp

noun

mass nounBritish
  • A 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 ( c 1860).

Pronunciation

yapp

/jap/