letterlocking

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. The [[secure|securing]] of a [[letter]] without an [[envelope]], by [[fold]]ing and [[cut]]ting so that portions of the [[paper]] can be [[interlock]]ed.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.