Definition of AVAILABILITY. 1. : the quality or state of being available. 2. : an available person or thing.
Definition of EXECUTIVE OFFICER. : the officer second in command of a military or naval organization or vessel. ADVERTISEMENT. the officer second in command of a military or naval organization or vessel. ADVERTISEMENT.
Legal Definition of executive. 1  1 : of or relating to the execution or carrying out of laws serving a warrant is an executive function; especially : belonging to the branch of government that is charged with such powers as diplomatic representation, overseeing the execution of laws, and appointment of officials â compare judicial, legislative.