A tempo giusto

from The Collaborative International Dictionary of English v.0.48

Tempo \Tem"po\, n. [It., fr. L. tempus. See {Tense}, n.] (Mus.)
   The rate or degree of movement in time.
   [1913 Webster]

   {A tempo giusto} (j[=oo]s"t[-o]) [It.], in exact time; --
      sometimes, directing a return to strict time after a tempo
      rubato.

   {Tempo rubato}. See under {Rubato}.
      [1913 Webster]