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Trĭōcăla, ōrum, n., = Τριώκαλα, a mountain-fortress in Sicily, between Selinus and Heraclea, now ruins near Calatabellotta, Sil. 14, 270.
Hence, Trĭōcălī-nus, a, um, adj., of or belonging to Triocala: in Triocalino (sc. agro), Cic. Verr. 2, 5, 4, § 10.
In plur.: Trĭōcălīni, ōrum, m., the inhabitants of Triocala, Plin. 3, 8, 14. § 91.