term:

Vouching-In

vouching-in n

: a common-law procedural device in which a defendant named in a lawsuit notifies another that he or she will look to the other for indemnity of an adverse judgment and that the other will be bound by the judgment if he or she refuses to come and defend in court

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.