Minor

a young person of either sex

have as one's secondary field of study

of lesser importance or stature or rank

lesser in scope or effect

inferior in number or size or amount

(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

not of legal age

of lesser seriousness or danger

of your secondary field of academic concentration or specialization

of the younger of two boys with the same family name

warranting only temporal punishment

relatively moderate, limited, or small