The bowel is defined as the inner part of something.
(noun)See bowel in Webster's New World College Dictionary
noun
Origin: ME bouel < boele < OFr buele < ML botellum, intestine < L botellus, dim. of botulus, sausage, via Oscan or Umbrian < IE base *gwet-, a swelling > OE cwitha, womb
See bowel in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old French boel
Origin: , from Latin botellus, small intestine
Origin: , diminutive of botulus, sausage
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