entrail
nounUK /ˈɛntreɪl/
US /ˈɛntreɪl/
An entrail is an inside part of an animal's body, like the stomach or intestines.
The scientist studied each entrail to learn how the animal digests food.
OTHER MEANINGS
2. The inner parts of something, not just an animal.
The entrails of the old machine were full of dust and wires.
3. The deepest or most hidden part of a place or thing.
They explored the entrails of the cave.
4. Used in plural to mean the internal organs as a group.
The hunter cleaned the entrails of the deer.