'Viscus' definitions:

Definition of 'viscus'

(from WordNet)
noun
A main organ that is situated inside the body [syn: internal organ, viscus]

Definition of 'Viscus'

From: GCIDE
  • Viscus \Vis"cus\, n.; pl. Viscera. [L., perhaps akin to E. viscid.] (Anat.) One of the organs, as the brain, heart, or stomach, in the great cavities of the body of an animal; -- especially used in the plural, and applied to the organs contained in the abdomen. [1913 Webster]