kəˈlisəˌvīrəs, -ˈlēsē-, -ˈlēchē- noun
Etymology: New Latin, from Latin calic-, calix cup + -i- + New Latin virus — more at chalice
: any of a family (Caliciviridae) of single-stranded RNA viruses that have 32 cup-shaped depressions arranged symmetrically on the surface and that include the causative viruses of a form of hepatitis and vesicular exanthema