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WordReference Random House Unabridged Dictionary of American English © 2024di•ver•tic•u•lum (dī′vər tik′yə ləm),USA pronunciation n., pl. -la (-lə).USA pronunciation [Anat.]- Anatomya blind, tubular sac or process branching off from a canal or cavity, esp. an abnormal, saclike herniation of the mucosal layer through the muscular wall of the colon.
- Latin, variant of dēverticulum byway, tributary, means of escape, equivalent. to dēverti- (combining form of dēvertere, equivalent. to dē- de- + vertere to turn) + -culum -cule2
- 1640–50
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