Deadlatch

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Deadlatch \Dead"latch`\, 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. --Knight.
     [1913 Webster]