Bible Dictionaries
Deadlatch

Webster's Dictionary

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

Bibliography Information
Webster, Noah. Entry for 'Deadlatch'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​d/deadlatch.html. 1828.