1.Definition: (of a scale or mode) having half steps between the second and third degrees, and (usually) the fifth and sixth degrees, and the seventh and eighth degrees
"The minor keys", "In B flat minor"
2.Definition: inferior in number or size or amount
"A minor share of the profits", "Ursa Minor"
3.Definition: lesser in scope or effect
"Had minor differences", "A minor disturbance"
5.Definition: of lesser importance or stature or rank
"A minor poet", "Had a minor part in the play", "A minor official", "Many of these hardy adventurers were minor noblemen", "Minor back roads"
6.Definition: of lesser seriousness or danger
"Suffered only minor injuries", "Some minor flooding", "A minor tropical disturbance"
7.Definition: of the younger of two boys with the same family name
8.Definition: of your secondary field of academic concentration or specialization
10.Definition: warranting only temporal punishment