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.
Executive (adj) designed or fitted for execution, or carrying into effect; as, executive talent; qualifying for, concerned with, or pertaining to, the execution of the laws or the conduct of affairs; as, executive power or authority; executive duties, officer, department, etc. Executive (noun)