A.“ἴδρι” AP9.559 (Crin.), prob. in ib.6.182 (Alex. Magnes.): pl. ἴδριες; also “ἴδριδα” S.Fr.1056, “ἴδριδες” Phryn.Com.90 (= Phryn.Trag.22), cf. “πολυ-ίδριδι” Sapph.166 (but these forms are censured by Hdn.Gr.2.40): (οἶδα):— poet. Adj. experienced, knowing, skilful, “ἀνὴρ ἴδρις” Od.6.233: c. inf., “ἴδριες . . νῆα θοὴν ἐνὶ πόντῳ ἐλαυνέμεν” 7.108: c. gen.rei, “πόνου καὶ ὀϊζύος” Hes.Sc.351; “καλῶν” Pi.O.1.104; “ἔργων” Archil.39, cf.A.Ag.446(lyr.), S.El.608, Ichn.124, Call.Jov.74, etc.: in late Prose, “ἴ. τῶν οὐρανίων” Vett.Val.4.19: with Preps., “κατὰ γνώμαν ἴδρις” S.OT1087 (lyr.); “οὐδὲν ἴδρις” Id.OC525 (lyr.); “ἐν πολέμοισι” D.P.857.
2. as Subst., the provident one, i.e. the ant, Hes.Op.778.