Definition of Executive

As distinguished from the legislative and judicial departments (i.e. branches) of government, the executive department is that which is charged with the detail of carrying the laws into effect and securing their due observance. See also Executive department; Executive powers.

The word “executive” is also used as an impersonal designation of the chief executive officer of a state or nation. Term also refers to upper level management of business. See also Executive employees.

That's the definition of Executive in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.