1. 
   callipygian
   callipygous adjective pertaining to or having finely developed buttocks; `the quest for the callipygian ideal`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=callipygian
   
   
2. 
   callipygian
   callipygian 1. A reference to or having finely developed buttocks or rear end. 2. Having beautifully proportioned buttocks.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1807/
   
   
3. 
   callipygian
   1) Callipygous 2) Shapely
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/callipygian/1
   
   

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