1. 
   Nine-killer
   Nine'-kill`er noun [ So called because it is believed to kill and impale on thorns nine birds, etc., in succession.] (Zoology) The northern butcher bird.
   Found op http://www.encyclo.co.uk/webster/N/23
   
   
2. 
   nine-killer
   <zoology> The northern butcher bird. ... Origin: So called because it is believed to kill and impale on thorns nine birds, etc, in succession. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?nine-killer
   
   
3. 
   Nine-killer
   • (n.) The northern butcher bird. • (n.) The northern butcher bird.
   Found op http://thinkexist.com/dictionary/meaning/nine-killer/
   
   

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