αἰδοῖον

τό
A. privy parts, pudenda, both of men and women, Il. 13.568, Hes. Op. 733, Heraclit. 15, Tyrt. 10.25, Hp. Aër. 9, Pl. Ti. 91b, etc.: sg., Hdt. 2.30,48, etc., freq. in Arist. HA 493a25, al.
II. αἰ. θαλάσσιον a sea animal, perh. pennatula, Nic. Fr. 139, cf. Arist. HA 532b23.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project