Yapp

//jæp// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    In bookbinding, the edge of the binding that extends beyond the edges of the pages, and may protect the gilding.
Proper Noun
  1. 1
    A surname transferred from the nickname.

Etymology

Etymology 1

Said to be from Yapp, the surname of the 19th-century bookbinder who invented them.

Etymology 2

Nickname for a clever or cunning person, from Middle English yap (“deceitful, shrewd”), from Old English gēap (“crooked, bent; devious, cunning”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.