belt and braces
idiomPart ofbelt
belt and braces — idiom
1. doing more than is strictly needed in order to be completely sure that a plan or
1.idiom
Definition
doing more than is strictly needed in order to be completely sure that a plan or system will not fail.
Example
Saving the file on the laptop and the cloud is belt and braces, but Nia prefers it that way.
The engineer added a second alarm as a belt-and-braces measure.