What is the meaning of minor?

noun

• A young person of either sex.
  • usage: "she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster"
  • synonyms: child, kid, youngster, shaver, nipper, small fry, tiddler, tike, tyke, fry, nestling

adjective

• Of lesser importance or stature or rank.
  • usage: "a minor poet"; "had a minor part in the play"; "a minor official"; "many of these hardy adventurers were minor noblemen"; "minor back roads"
• Lesser in scope or effect.
  • usage: "had minor differences"; "a minor disturbance"
• Inferior in number or size or amount.
  • usage: "a minor share of the profits"; "Ursa Minor"
• Of a scale or mode.
  • usage: "the minor keys"; "in B flat minor"
• Not of legal age.
  • usage: "minor children"
  • synonyms: nonaged, underage
• Of lesser seriousness or danger.
  • usage: "suffered only minor injuries"; "some minor flooding"; "a minor tropical disturbance"
• Of your secondary field of academic concentration or specialization.
• Of the younger of two boys with the same family name.
  • usage: "Jones minor"
• Warranting only temporal punishment.
  • usage: "venial sin"
  • synonyms: venial
• Limited in size or scope.
  • usage: "a small business"; "a newspaper with a modest circulation"; "small-scale plans"; "a pocket-size country"
  • synonyms: modest, small, small-scale, pocket-size, pocket-sized