volvulus UK /ˈvɒl.vjʊl.əs/US /ˈvɑl.vjəl.əs/ noun1 •Obstruction of the bowel in which a loop of bowel has abnormally twisted on itself.Only one case of gallbladder volvulus within an incisional hernia has been previously described, but it was a parastomal herniation (Rosenblum et al. 2013). — 2015 formsvolvuli · volvuluses