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

whitethroat \white"throat`\, n. zool.
   any one of several species of old world warblers, esp. the
   common european species sylvia cinerea, called also
   strawsmear, nettlebird, muff, and whitecap, the
   garden whitethroat, or golden warbler sylvia
   hortensis, and the lesser whitethroat sylvia curruca.
   1913 webster
see also:
sylvia cinerea strawsmear nettlebird muff whitecap garden whitethroat 
golden warbler sylvia hortensis lesser whitethroat sylvia curruca 

[2] : WordNet (r) 2.0

sylvia curruca
     n : old world warbler similar to the greater whitethroat but
         smaller syn: lesser whitethroat, whitethroat
see also:
lesser whitethroat whitethroat 

Sylvia >> S Words
Sylvia, definition of term: Sylvia
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