Ussadium
Οὐσσάδιον
Ussadium (Οὐσσάδιον, or Οὐσάδιον ἄκρον, Ptol. 4.1. § § 4 and 12), a promontory of Mauretania Tingitana, lying SW. of the promontory of Hercules. Now Cape Osem.
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.