|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
diverticulum di·ver·tic·u·lum (dī'vûr-tĭk'yə-ləm)
n. pl. di·ver·tic·u·la (-lə)
A pouch or sac branching out from a hollow organ or structure.
|diverticulum (dī'vûr-tĭk'yə-ləm) Pronunciation Key
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A pouch or sac branching out from a portion of the gastrointestinal tract, especially the large intestine. A diverticulum can occur as a normal structure, or it can be caused by a hernia.