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

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

A black mark left on a road surface from the sliding or skidding tires of a motor vehicle that has lost traction. / Any other mark or stain left on a surface from a sliding or rubbing object.

The mass of an atom. / (proscribed) atomic weight; the average mass of atoms of an element.

The percentage of some market held by a company, country, (sub)sector or any other actor or aggregate.

More than half (50%) of some group. / The difference between the winning vote and the rest of the votes. / (dated) Legal adulthood, age of majority.

Someone who has control over something or someone. / The owner of an animal or slave. / (nautical) The captain of a merchant ship; a master mariner. / (dated) The head of a household.