Home › Words › F › fabavirusfabavirusfabavirus · noun — any of several viruses, of the genus Fabavirus, that are transmitted by aphids, and cause wilt in broad beans and similar plants.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom the genus name.nounAny of several viruses, of the genus Fabavirus, that are transmitted by aphids, and cause wilt in broad beans and similar plantsDefinitions & examples from Wiktionary (CC BY-SA 3.0).