[1] : The Collaborative International Dictionary of English v.0.48

baltimore bird \bal"timore bird`\, baltimore oriole
\bal"timore o"riole\ zool.
   a common bird icterus galbula of eastern and central
   america and canada, named after lord baltimore, because its
   colors black and orange red are like those of his coat of
   arms; -- called also golden robin. it winters in the
   american tropics.
   1913 webster
see also:
icterus galbula golden robin 

[2] : WordNet (r) 2.0

baltimore oriole
     n : eastern subspecies of northern oriole syn: baltimore bird,
          hangbird, firebird, icterus galbula galbula
see also:
baltimore bird hangbird firebird icterus galbula galbula 

Baltimore >> B Words
Baltimore, definition of term: Baltimore
baltimore_pag1.html

Oriole >> O Words
Oriole, definition of term: Oriole
oriole_pag1.html

Baltimore Bird >> B Words
Baltimore Bird, definition of term: Baltimore Bird
baltimore+bird_pag1.html