Lewis Short
Ŏăsis | Ŏăsēnus, a, um | Ŏăsītes, ae (noun F.m) : Ὄασις [orig. a Coptic word]
* An inhabited spot, a fertile piece of land in the Libyan desert, an oasis; esp. the great oasis in Upper Egypt, to which criminals were banished by the emperors, Cod. Just. 9, 47, 26; Dig. 48, 22, 7, § 5.— Hence
* Adj., of or belonging to Oasis: Oasena deportatio, Cod. Th. 9, 32.
* Adj., of or belonging to Oasis, Oasite: Oasitae nomi,Plin. 5, 9, 9, § 50.
Charlton T. Lewis, Charles Short, A Latin Dictionary