noun, plural her·pes·vi·rus·es.
- a DNA-containing virus of the family Herpesviridae, certain members of which cause such diseases in humans as oral and genital herpes, infectious mononucleosis, chickenpox, and shingles.
- any one of a family of DNA-containing viruses that includes the agents causing herpes, the Epstein-Barr virus, and the cytomegalovirus
- 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.herpes simplex virus
- A genus of viruses of the family Herpetoviridae including the causative agents of genital herpes and shingles.