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.

Nearby words

  1. combination,
  2. combination calculus,
  3. combination door,
  4. combination drug,
  5. combination last,
  6. combination principle,
  7. combination room,
  8. combination shot,
  9. combination square,
  10. combination therapy

Origin of combination lock

First recorded in 1850–55 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for combination lock

  • "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


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