D defs.my
Entry 1 sense Webster, 1913

Alla breve

· Al·la bre·ve · IPA
01 With one breve, or four minims, to measure, and sung faster like four crotchets; in quick common time; -- indicated in the time signature by �.
  1. 1.
    With one breve, or four minims, to measure, and sung faster like four crotchets; in quick common time; -- indicated in the time signature by �.(Old Church Music)