supersedeas n[Medieval Latin, you should desist (word used in the writ)]
1 : a common-law writ commanding a stay of legal proceedings that is issued under various conditions and esp. to stay an officer from proceeding under another writ
2 : an order suspending the proceedings of an inferior court and esp. the enforcement of a judgment until reviewed on appeal
Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.