DuckCorp Dico

Found one definition

1.                 From Japanese-English FreeDict Dictionary ver. 0.1:
                   
   
   
                   
                     
   亢 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, こう /kˈo̞ɯᵝ/
   (noun (common) (futsuumeishi))
   二十八宿, 蒼竜・そうりょう・3 [astronomy, etc. term] Chinese "Neck" constellation (one of the 28 mansions)