DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   roiling
       adj 1: (of a liquid) agitated vigorously; in a state of
              turbulence; "the river's roiling current"; "turbulent
              rapids" [syn: churning, roiling, roiled, roily,
              turbulent]