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.
OFFICER. He who is lawfully invested with an office. 2. Officers may be classed into, 1. Executive; as the president of the United States of America, the several governors of the different states.