1. 
   graybird
   any of numerous cuckoo-shrikes of the genus Coracina. See cuckoo-shrike.
   Found op http://www.britannica.com/eb/a-z/g/62
   
   
2. 
   Graybird
   Graybird is a Trojan horse that hides its presence on the compromised computer and downloads files from remote Web sites. There are many variations of this virus such as Backdoor.Graybird.P (the most recently discovered variation). ...
   Found op http://en.wikipedia.org/wiki/Graybird
   
   

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