† SirenaicObs.rare. [irreg.f. siren n.] A member of the celebrated Club which met at the Mermaid Tavern. Due to confusion of the siren with the mermaid: see siren n. 2. 1616Coryat Trav.Eng. Wits 37 Right Generous, Iouiall, and Mercuriall Sirenaicks.Ibid. 42 Farewell noble Sirenaicks!