The Collaborative International Dictionary
Megapolis Atlanticus
Tarpum \Tar"pum\, n. (Zo["o]l.) A very large marine fish ( Megapolis Atlanticus) of the Southern United States and the West Indies. It often becomes six or more feet in length, and has large silvery scales. The scales are a staple article of trade, and are used in fancywork. Called also tarpon, sabalo, savanilla, silverfish, and jewfish.