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.
exâ¢ecâ¢uâ¢tive. 1. a person or group having administrative or supervisory authority in an organization. 2. the person or group in whom the supreme executive power of a government is vested. 3. the executive branch of a government. 4. of, pertaining to, or suited for carrying out plans, duties, etc.: executive ability. 5. pertaining to or charged with the execution of laws or the administration of public affairs: executive appointments.