Ma·jor
 1. 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.
 2. Of greater dignity; more important.
 3. Of full legal age; adult. [Obs.]
 4. Mus. Greater by a semitone, either in interval or in difference of pitch from another tone.
 Major key Mus., a key in which one and two, two and three, four and five, five and six and seven, make major seconds, and three and four, and seven and eight, make minor seconds.
 Major offense Law, an offense of a greater degree which contains a lesser offense, as murder and robbery include assault.
 Major scale Mus., the natural diatonic scale, which has semitones between the third and fourth, and seventh and fourth, and seventh and eighth degrees; the scale of the major mode, of which the third is major. See Scale, and Diatonic.
 Major second Mus., a second between whose tones is a difference in pitch of a step.
 Major sixth Mus., a sixth of four steps and a half step. In major keys the third and sixth from the key tone are major. Major keys and intervals, as distinguished from minors, are more cheerful.
 Major third Mus., a third of two steps.
 Third n.
 1. The quotient of a unit divided by three; one of three equal parts into which anything is divided.
 2. The sixtieth part of a second of time.
 3. Mus. The third tone of the scale; the mediant.
 4. pl. Law The third part of the estate of a deceased husband, which, by some local laws, the widow is entitled to enjoy during her life.
 Major third Mus., an interval of two tones.
 Minor third Mus., an interval of a tone and a half.
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