coelom

coe·lom

noun \ˈsē-ləm\

plural coeloms or coe·lo·ma·ta \si-ˈlō-mət-ə\

Definition of COELOM

: the usually epithelium-lined body cavity of metazoans above the lower worms that forms a large space when well developed between the digestive tract and the body wall

—coe·lo·mate \ˈsē-lə-ˌmāt\ adjective or noun

—coe·lo·mic \si-ˈläm-ik, -ˈlō-mik\ adjective