(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.

(Roman mythology) The twelve great gods of Roman mythology, namely Juno, Vesta, Minerva, Ceres, Diana, Venus, Mars, Mercury, Jupiter, Neptune, Vulcan, and Apollo.

A person or group that controls or owns more than half interest of an organization's outstanding shares.

The outermost or largest diameter of something that has multiple circular, cylindrical, or helical features (e.g. a screw or gear)