The Collaborative International Dictionary
savanilla
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.
Wiktionary
savanilla
n. (context US dialect chiefly Texas dated English) A fish, the tarpum.
Usage examples of "savanilla".
And down the Magdalena he went, still sure of his quarry, following him to Bogota, and on again from Bogota to Barranquilla, and on to Savanilla, where he embarked on a Hamburg-American steamer for Limon.