Definition of major

• a. - Greater in number, quantity, or extent; as, the major part of the assembly; the major part of the revenue; the major part of the territory.
• a. - Of greater dignity; more important.
• a. - Of full legal age.
• a. - Greater by a semitone, either in interval or in difference of pitch from another tone.
• a. - An officer next in rank above a captain and next below a lieutenant colonel; the lowest field officer.
• a. - A person of full age.
• a. - That premise which contains the major term. It its the first proposition of a regular syllogism; as: No unholy person is qualified for happiness in heaven [the major]. Every man in his natural state is unholy [minor]. Therefore, no man in his natural state is qualified for happiness in heaven [conclusion or inference].
• a. - A mayor.