English

edit
 
English Wikipedia has an article on:
Wikipedia
  This entry needs a photograph or drawing for illustration. Please try to find a suitable image on Wikimedia Commons or upload one there yourself!

Etymology

edit

From letter +‎ locking; coined in 2009 by researcher Jana Dambrogio.

Noun

edit

letterlocking (uncountable)

  1. The securing of a letter without an envelope, by folding and cutting so that portions of the paper can be interlocked.