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Janus-faced lock

From Wiktionary, the free dictionary

English

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Noun

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Janus-faced lock (plural Janus-faced locks)

  1. (archaic) A lock with duplicate faces so that the key can enter on either side and the lock can be mounted on either a right-hand or a left-hand door.[1]

References

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  1. ^ Edward H[enry] Knight (1877) “Janus-faced lock”, in Knight’s American Mechanical Dictionary. […], volumes II (GAS–REA), New York, N.Y.: Hurd and Houghton […], →OCLC.
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