Definition of Executive Agreement
A treaty-like agreement with another country in which the President may bind the country without submission to the Senate (as in the case of a treaty). State of Russia v. National City Bank of N. Y„ C.C.A.N.Y., 69 F.2d 44, 48; United States v. Belmoht, 301 U.S. 324, 57 S.Ct. 758, 81 L.Ed. 1134.
That's the definition of Executive Agreement in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.