An association of sports teams which plays at the highest skill level of its sport, especially Major League Baseball.

Of or pertaining to a major sports league; belonging to the professional level of a sport, such as US baseball. / Analogous in importance to a major league sports team. / Serious, high-level; significant

(music) One of the diatonic scales; a group of notes or musical pitches in a particular pattern, used to make melodies. The pattern for a major scale is: tone - tone - semitone - tone - tone - tone - semitone.

(music) the theoretical major key with A-sharp as its tonic and the notes A#, B#, C𝄪, D#, E#, F𝄪, G𝄪. Such a high number of accidentals (especially double sharps) is undesirable. Therefore, it is usually scored and referred to as its enharmonic equivalent; B-flat major.

(music) The major key with A-flat as its tonic, consisting of the pitches A♭, B♭, C, D♭, E♭, F, and G. / (music) The major chord with a root of A-flat.

(music) The major key with B as its tonic, with the notes B, C♯, D♯, E, F♯, G♯, and A♯, the key signature of which has five sharps. / (music) The major chord with a root of B.

(music) A musical key based upon a major scale. / (idiomatic) A mood of cheerfulness or happiness.

(idiomatic) In an unrestrained manner; on a large or expansive scale.

(politics) A majority big enough for the party or faction in power to carry through most of its legislative programme without the risk of parliamentary defeat.

(law) The age at which the rights and privileges of an adult are legally granted or recognized; i.e.; the age where a person ceases to be a minor legally and becomes a legal adult.