used as part of the title of particular positions. The person who holds one of these positions is next below in authority to the person who holds the full position and can act for them
(FAULT) a moral fault or weakness in someone's character
(TOOL) a tool with two parts that can be moved together by tightening a screw so that an object can be held firmly between them while it is being worked on
柯林斯英英字典
A vice is a habit that is regarded as a weakness in someone's character, but not usually as a serious fault.
Vice refers to criminal activities, especially those connected with pornography or prostitution.
A vice is a tool with a pair of parts that hold an object tightly while you do work on it.