‖a. & adv. [ It. adagio; ad (L. ad) at + agio convenience, leisure, ease. See Agio. ] (Mus.) Slow; slowly, leisurely, and gracefully. When repeated, adagio, adagio, it directs the movement to be very slow. [ 1913 Webster ]
‖ n. A piece of music in adagio time; a slow movement;