Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun pin_tumbler
1 sense of pin tumbler
Sense 1
pin, pin tumbler -- (cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown)
=> tumbler -- (a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown)