[ ˌdʌɪvə'tɪkjʊləm ]
■ noun ( plural diverticula -lə ) Anatomy & Zoology
1》 a blind tube leading from a cavity or passage.
2》 Medicine an abnormal sac or pouch formed at a weak point in the wall of the alimentary tract.
Origin
C19: from med. L., var. of L. deverticulum 'byway', from devertere 'turn down or aside'.