Source : Webster's Revised Unabridged Dictionary (1913)

Heraldry \Her"ald*ry\, n.
   The art or office of a herald; the art, practice, or science
   of recording genealogies, and blazoning arms or ensigns
   armorial; also, of marshaling cavalcades, processions, and
   public ceremonies.

Source : WordNet®

heraldry
     n 1: the study and classification of armorial bearings and the
          tracing of genealogies
     2: emblem indicating the right of a person to bear arms