ἡ, (θρῖναξ) a legendary island, Od.11.107, etc.: afterwards identified with Sicily and written Τρινακρία (from τρεῖς, ἄκραι) (q. v.); cf. Τριναχία:—also Θρῑνακίς, ίδος, ἡ, Str.6.2.1:—Adj. Θρῑνάκιος, α, ον, Sicilian,
A ῥίζα Nic.Th.529.