Source : Webster's Revised Unabridged Dictionary (1913)

Quattrocento \Quat`tro*cen"to\, n. & a. [It., four hundred, used
   as an abbreviated expression for the dates beginning with
   fourteen hundred.]
   The fifteenth century, when applied to Italian art or
   literature; as, the sculpture of the quattrocento;
   quattrocento style. -- {Quat`tro*cen"tist}, n.