Thēra, ae (Thērē, ēs), f., = Θήρα, an island in the Aegean Sea, the chief of the Sporades, now Santorin, Mel. 2, 7, 11; Plin. 2, 87, 89, § 202; 4, 12, 23, § 70; Sen. Q. N. 6, 21, 1.

—Hence, Thēraeus, a, um, adj., of or belonging to Thera: colonus, Tib. 4, 1, 139: cyperos, Plin. 21, 18, 70, § 117.

—Plur. subst.: Thēraei, ōn, m., the Theraeans, Sall. J. 19, 3.