Definitions for "Alla breve"
With one breve, or four minims, to measure, and sung faster like four crotchets; in quick common time; -- indicated in the time signature by ?.
(Ital.) : Time signature indicating progress by half-note: . (The breve was a note value in old music notation.)
(Italian), "in shortness." Cut time or 2/2 meter. Indicated with the symbol "¢."