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}.

Source : WordNet®

Baltimore bird
     n : eastern subspecies of northern oriole [syn: {Baltimore
         oriole}, {hangbird}, {firebird}, {Icterus galbula galbula}]