herpesvirus her·pes·vi·rus (hûr'pēz-vī'rəs)
n.
Either of two types of DNA-containing animal viruses of the genus Herpesvirus, herpesvirus type one or herpesvirus type two, which form inclusion bodies within the nuclei of host cells. Also called herpes simplex virus.
Herpesvirus n.
A genus of viruses of the family Herpetoviridae including the causative agents of genital herpes and shingles.