Source : Webster's Revised Unabridged Dictionary (1913)

   {Cardinal bird}, or {Cardinal grosbeak} (Zo["o]l.), an
      American song bird ({Cardinalis cardinalis}, or {C.
      Virginianus}), of the family {Fringillid[ae]}, or finches
      having a bright red plumage, and a high, pointed crest on
      its head. The males have loud and musical notes resembling
      those of a fife. Other related species are also called
      cardinal birds.

   {Cardinal flower} (Bot.), an herbaceous plant ({Lobelia
      cardinalis}) bearing brilliant red flowers of much beauty.
      

   {Cardinal red}, a color like that of a cardinal's cassock,
      hat, etc.; a bright red, darker than scarlet, and between
      scarlet and crimson.

Source : WordNet®

cardinal grosbeak
     n : crested thick-billed North American finch having bright red
         plumage in the male [syn: {cardinal}, {Richmondena
         Cardinalis}, {Cardinalis cardinalis}, {redbird}]