A.open space, free room, “ἐν τῇ λοιπῇ εὐ. τῆς θήκης” Hdt.4.71; “πολλὴν εὐ. ἔχειν” D.19.272; εὐ. ποιεῖτε τῷ θεῷ Carm.Pop.<*>; -“ίας σε δεῖ” Com.Adesp.46 D.; ἡ ἄνω εὐ., of a dislocated joint, Hp.Art.11 (in later Medic., of bodily orifices, Sor. 1.58 (pl.); ἡ ἀκουστικὴ εὐ., meatus audilorius, ib.10); ἐν εὐ. εἶναι to have plenty of room, Pl.Tht.194d: prov., “ἕκητι Συλοσῶντος εὐρυχωρίη” Heraclid.Pol.34, Zen.3.90: pl., Pl.Lg.804c (εὐρυχώρια, τά, codd.), Aen. Tact.1.9, 2.1.
2. an open field for battle, X.Cyr.4.1.18, HG7.4.24; ἐν εὐρυχωρίῃ ναυμαχέειν to fight with plenty of sea-room, Hdt.8.60. β᾽, cf. Th.2.83,al.
3. metaph., free space, room for doing a thing, “τῆς ἀποδείξεως” Pl.Min.315d; εὐ. τινὸς διδόναι, παρέχειν, Plu.2.48f, 828d.