Source : Webster's Revised Unabridged Dictionary (1913)

Baltimore bird \Bal"ti*more bird`\ Baltimore oriole \Bal"ti*more
o"ri*ole\ (Zo["o]l.)
   A common American bird ({Icterus galbula}), named after Lord
   Baltimore, because its colors (black and orange red) are like
   those of his coat of arms; -- called also {golden robin}.

Hangbird \Hang"bird`\, n. (Zo["o]l)
   The Baltimore oriole ({Icterus galbula}); -- so called
   because its nest is suspended from the limb of a tree. See
   {Baltimore oriole}.

Source : WordNet®

Icterus galbula
     n : a kind of New World oriole [syn: {northern oriole}]