<p><strong>Noun:</strong></p><ul><li>a person who is at the head of or in authority over others; chief; leader</li><li>an officer ranking in most armies above a first lieutenant and below a major</li><li>an officer in the U.S. Navy ranking above a commander and below a rear admiral or a commodore</li><li>a military leader</li><li>an officer in the police department, ranking above a lieutenant and usually below an inspector</li><li>an officer of the fire department, usually in command of a company, ranking above a lieutenant and below a chief or assistant chief</li><li>the commander of a merchant vessel; compare staff captain</li><li>the pilot of an airplane</li><li>a local official in a political party responsible for organizing votes on a ward or precinct level</li><li>Sports: the field leader of a team</li><li>a person of great power and influence, especially based on economic wealth</li><li>headwaiter</li><li>bell captain</li><li>South Midland and Southern U.S.: an unofficial title of respect for a man (sometimes used humorously or ironically)</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>to lead or command as a captain</li></ul>