1. 
   tracheata
   <zoology> An extensive division of arthropods comprising all those which breathe by tracheae, as distinguished from Crustacea, which breathe by means of branchiae. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?tracheata
   
   
2. 
   Tracheata
   • (n.pl.) An extensive division of arthropods comprising all those which breathe by tracheae, as distinguished from Crustacea, which breathe by means of branchiae.
   Found op http://thinkexist.com/dictionary/meaning/tracheata/
   
   

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