jail lock
noun1
A kind of cast iron padlock.
- The outer, and inner entrance doors have jail locks.1887, Minnesota State Board of Corrections and Charities, Biennial Report of the State Board of Corrections and Charities:
- To prevent this and the possibility of scandal (which could happen on trumped up charges) a grated steel door with jail lock should be placed on this doorway.1927, New York Legislative Documents - Volume 20, page 343:
3 more examples
- Also known as jail locks, Scandinavian padlocks were made from cast components, having a malleable iron body, shackle, and key.2007, Graham Pulford, High-Security Mechanical Locks: An Encyclopedic Reference, →ISBN:
- An old jail lock hanging on the wall swayed back and forth.2009, Michael Norman, The Nearly Departed, →ISBN:
- The locks to the doors must be the Scandinavian Jail Lock.2013, Robin Sterling, People and Things from the Cullman, Alabama Tribune 1877, →ISBN:
2
Used other than figuratively or idiomatically: see jail, lock.