coeliac /ˈsiːlɪæk/adjective 4noun 2forms 1 adjective4 •Of, pertaining to or located within the abdomen or abdominal cavity. •Of or pertaining to c(o)eliac disease. •Abbreviation of coeliac disease; used attributively.The results of skin testing and RAST indicate that most coeliac patients do not have circulating IgE specific for wheat proteins [25, 34, 108]. — 1982 •Relating to the abdomen, or to the cavity of the abdomen.Next remove the middle portion of the lesser omentum, and feel for the coeliac axis. — 1838 noun2 •Someone who has celiac disease. •Someone who has coeliac disease.In all 5 untreated coeliacs as well as the 3 partially treated coeliacs who were in relapse at the time of biopsy, villi were entirely absent. — 1961 formscoeliacs