Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun megacolon

1 sense of megacolon

Sense 1
megacolon -- (an abnormal enlargement of the colon; can be congenital (as in Hirschsprung's disease) or acquired (as when children refuse to defecate))
       => colon -- (the part of the large intestine between the cecum and the rectum; it extracts moisture from food residues before they are excreted)