1. 
   lock and key
   lock and key, fastening fitted to an entryway, such as a gate or door, or a container, such as a cabinet, drawer or safe, to keep it closed and/or prevent unauthorized access or use. Locks typically consist of a sliding, pivoted, or rotary bolt protected by a fixed or movable object. A lock may be o...
   Found op http://www.infoplease.com/ce6/sci/A0830110.html
   
   
2. 
   lock and key
   Devices that provide security, usually fitted to a door of some kind. In 1778 English locksmith Robert Barron made the forerunner of the mortise lock, which contains levers that the key must raise to an exact height before the bolt can be moved. The Yale lock, a pin-tumbler cylinder design, was inve...
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006168.html
   
   
3. 
   Lock and Key
   Lock and Key is a novel written by author Sarah Dessen. It is her 8th published novel. It was published by Viking`s Children`s Books in 2008. ==Plot== After her drug and alcohol addicted mother abandons her, child services forces 17-year-old Ruby Cooper to move in with her sister, Cora, who had lef...
   Found op http://en.wikipedia.org/wiki/Lock_and_Key
   
   
4. 
   Lock and Key
   [Klymaxx song] "Lock and Key" was a moderate hit single recorded by Klymaxx for the MCA label. Relying on an outside producer and songwriters, this song was recorded and released as the fourth single from their fourth album, Meeting in the Ladies Room. This song reached number four on the Bi...
   Found op http://en.wikipedia.org/wiki/Lock_and_Key_(Klymaxx_song)
   
   
5. 
   lockandkey
   1) Pair for a certain smith
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/lockandkey/1
   
   

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