Orthrus

== Translingual == === Proper noun === Orthrus m A taxonomic genus within the family Salticidae – jumping spiders. === Further reading === Orthrus (spider) on Wikipedia.Wikipedia Orthrus on Wikispecies.Wikispecies Category:Salticidae on Wikimedia Commons.Wikimedia Commons == English == === Etymology === Borrowed from Ancient Greek Ὄρθρος (Órthros). === Proper noun === Orthrus (Greek mythology) A two-headed dog who guarded Geryon's cattle and was killed by Heracles. ==== Translations ====