Usually means: Securely locked and carefully guarded.
Definitions Related words Mentions
We found 12 dictionaries that define the word under lock and key:

General (10 matching dictionaries)
  1. under lock and key: Longman Dictionary of Contemporary English
  2. under lock and key: Merriam-Webster
  3. under lock and key: Oxford Learner's Dictionaries
  4. under lock and key: Cambridge Advanced Learner's Dictionary
  5. under lock and key: Wiktionary
  6. under lock and key: Dictionary.com
  7. Under Lock and Key: Wikipedia, the Free Encyclopedia
  8. under lock and key: TheFreeDictionary.com

Business (1 matching dictionary)
  1. under lock and key: Legal dictionary

Miscellaneous (1 matching dictionary)
  1. under lock and key: Idioms

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Definitions from Wikipedia (Under Lock and Key)

▸ noun:  the third studio album by American heavy metal band Dokken, released on November 22, 1985, through Elektra Records.


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