Supersedeas bond
A supersedeas bond, also known as a defendant's appeal 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.