Definition of Executive Officer
An officer of the executive department of government; one in whom resides the power to execute the laws; one whose duties are to cause the laws to be executed and obeyed. Petzak v. Graves, 33 Wis.2d 175, 147 N.W.2d 294, 297. Officers who are neither judicial nor legislative are executive officers. Spivey v. State, 69 Okl.Cr. 397, 104 P.2d 263, 277. One who assumes command or control and directs course of business, or some part thereof, and who outlines duties and directs work of subordinate employees. President and vice president of corporation are executive officers. Emmerglick v. Philip Wolf, Inc., C.C.A.N.Y., 138 F.2d 661, 662.
That's the definition of Executive Officer in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.