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combination lock

a lock opened by rotating one or more specially marked dials a given number of times through a particular set of positions in a prescribed order and direction.
Origin of combination lock
1850-55 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for combination-lock
Historical Examples
  • The movements, of course, have to follow in proper succession, as in any other kind of combination-lock.

    Sharps and Flats John Nevil Maskelyne
  • "I'm at it, but it's locked with a combination-lock," she said.

    The Sargasso of Space Edmond Hamilton
British Dictionary definitions for combination-lock

combination lock

a type of lock that can only be opened when a set of dials releasing the tumblers of the lock are turned to show a specific sequence of numbers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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