viscus Meaning, Definition & Usage

  1. noun a main organ that is situated inside the body
    internal organ.

WordNet

Vis"cus noun
Etymology
L., perhaps akin to E. viscid.
Wordforms
plural Viscera
Definitions
  1. (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.

Webster 1913