- (law, chiefly US) A legally enforceable order, decree, or regulation issued on the authority of the head of the executive branch of government.
- “executive order”, in Dictionary.com Unabridged: Dictionary.com, LLC, 1995–.
- “executive order”, in the Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–.
- “executive order” in Microsoft's Encarta World English Dictionary, North American Edition (2007)
- "order" at Law.com Dictionary