night latch


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Related to night latch: mortice locks

night latch

n.
A spring lock that can be opened from the inside by turning a knob but from the outside only with a key.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

night latch

n
(Building) a door lock that is operated by means of a knob on the inside and a key on the outside
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

night′ latch`


n.
a door lock operated from the inside by a knob and from the outside by a key.
[1850–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.night latch - doorlock operated by a knob on the inside and a key on the outsidenight latch - doorlock operated by a knob on the inside and a key on the outside
doorlock - a lock on an exterior door
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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References in periodicals archive ?
The other common type of lock is the Yale or night latch which does not need a key to operate from inside and is mounted on the door.
Do not rely entirely on an old-fashioned night latch which offers no security at all.
The woman, a renter, had requested that the management company install a night latch with a deadbolt that locked from the inside and could not be opened with a key from the outside.
Outside doors: Fit five-lever mortice locks all round plus a dead- locking night latch to the front door.