Definition of Yale lock™ noun from the Oxford Advanced Learner's Dictionary

 

Yale lock™

 noun
noun
BrE BrE//ˈjeɪl lɒk//
 
; NAmE NAmE//ˈjeɪl lɑːk//
 
(British English)
 
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a type of lock that is often fitted in the front door of a house and which opens by using a flat key with a series of pointed edges