Gutbread

//ˈɡʌtbɹɛd// noun

Definitions

Noun
  1. 1
    The pancreas, especially the pancreas of livestock used as food.

    "Having spent many years in the slaughterhouse, I can perhaps enlighten your correspondent as to what sweetbreads are. The "throat-bread" is undoubtedly the thyroid, and the "gut-bread" the pancreas. […] But I was informed that the gut-bread, i.e., the sweetbread of dictionaries and doctors, is "given to paupers or thrown away.""

Etymology

From gut + bread.

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