# letterlocking

> English word · Noun

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

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/letterlocking