- 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
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
- 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