(US, colloquial) First class, superior.

plural of A band

plural of A Special

(historical) A member of a special police force from Northern Ireland.

(anatomy) A strip of proteins, in the myofibril, that stains dark.

achievement age / amino acid / arteriae

(Hymns) Initialism of ancient and modern.

Alternative form of A & R

Alternative form of A & R

(nautical, literally) To leave or forsake a ship due to its impending doom. / (by extension) To leave a person or organization when things become difficult.