deadlatch

Noun.  A kind of latch whose bolt may be locked by a detent so that it can not be opened from the inside by the handle, or from the outside by the latch key.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.