Tarpum \Tar"pum\, n. (Zool.)
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}.
[1913 Webster]