1. 
   Prothoracic
   Pro`tho·rac'ic adjective (Zoology) Of or pertaining to the prothorax.
   Found op http://www.encyclo.co.uk/webster/P/181
   
   
2. 
   prothoracic
   <zoology> Of or pertaining to the prothorax. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?prothoracic
   
   
3. 
   Prothoracic
   • (a.) Of or pertaining to the prothorax.
   Found op http://thinkexist.com/dictionary/meaning/prothoracic/
   
   

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