Vulcan, the Roman god of fire and an artificer In metals, identified with the Greek Hephæstus (q.v.); had a temple to his honour in early Rome; was fabled to have had a forge under Mount Etna, where he manufactured thunderbolts for Jupiter, the Cyclops being his workmen.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Vossius, Gerard * Vulgate