Ussadium

Dictionary of Greek and Roman Geography

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.
[T.H.D]