Trisanton
Τρισάντων
Trisanton (Τρισάντων, Ptol. 2.3.4), a river on the S. coast of Britannia Romana; according to Camden (p. 137) the river Test, which runs into Southampton Water; according to others the river Arun.
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.