ˈviskəs noun
( plural vis·cera ˈvisərə)
Etymology: Latin
1. : an internal organ of the body ; especially : one (as the heart, liver, or intestine) located in the great cavity of the trunk proper
2. viscera plural : inner or interior matter or contents
the magazine's viscera were arranged in an unusually agreeable order — New Republic
getting at the viscera of the old sofa