Caliciviridae
noun plural
Cal·i·ci·vi·ri·dae
| \ kə-ˌlis-ə-ˈvir-ə-ˌdē, -ˌlē-sē-, -ˌlē-chē-
\
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Medical Definition of Caliciviridae
: a family of single-stranded RNA viruses with icosahedral symmetry that have numerous cup-shaped depressions on the surface but no lipoprotein envelope forming the outer layer of the virion and that include the Norwalk virus and the causative viruses of hepatitis E and vesicular exanthema