Free US Law DictionaryBETA
A supersedeas bond is a type of surety bond that a court requires from an appellant who wants to delay payment of a judgment until the appeal is over.
An appellant's bond to stay execution on a judgment during the pendency of the appeal. Fed. R. Civ. P. 62(d); Fed. R. App. P. 8(b). -- Often shortened to supersedeas.
This is a feature of common law, and in particular the American legal system. In most European countries an appeal leads to an automatic stay of execution, unless the judge expressly ordered immediate execution.