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combination lock

noun
  1. 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.
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Origin of combination lock

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for combination lock

Historical Examples

  • "I'm at it, but it's locked with a combination-lock," she said.

    The Sargasso of Space

    Edmond Hamilton

  • The movements, of course, have to follow in proper succession, as in any other kind of combination-lock.

    Sharps and Flats

    John Nevil Maskelyne

British Dictionary definitions for combination lock

combination lock

noun
  1. 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
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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