Definition of viscus
The word "viscus" uses 6 letters: cissuv.
n. - 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. 2
Words formed by adding one letter before or after viscus (in bold), or to cissuv in any order:
o - viscous