Added 9 October 2026 poxvirus noun Categories: AnimalsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about poxvirus at Wordnik → Where our words come from → Any of a group of viruses that can cause pox diseases in vertebrates. Origin From pox + virus. From Wiktionary, via Kaikki.org (CC BY-SA) Related Words: orthopoxviruspoxvirionfowlpoxyatapoxviruspoxvectorpodovirusleporipoxviruscapripoxviruspoxvirologistcowpoxvirus Back to today's word