WordReference Random House Unabridged Dictionary of American English © 2020
e•ven•tra•tion  (ē′ven trāshən),USA pronunciation n. [Med.]
  1. Pathologyprotrusion of the abdominal viscera through an opening in the abdominal wall.
  2. Pathologydisembowelment.
  • French, equivalent. to éventr(er) to disembowel (see e-, ventral) + -ation -ation
  • 1830–40

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