ὄργυιᾰ,
Att. ὄργυᾰ, ᾶς, IG 22.1672.9; Ion. ὄργυιᾰ, ῆς, ἡ (v. infr.): (ὀρέγω): -
1. the length of the outstretched arms, about 6 feet or I fathom, ἕστηκε ξύλον.. ὅσον τ’ ὄργυι’ ὑπὲρ αἴης Il. 23.327; τοῦ μὲν ὅσον τ’ ὄργυιαν ἐγὼν ἀπέκοψα Od. 9.325, cf. 10.167, X. Mem. 2.3.19.
2. more precisely, αἱ ἑκατὸν ὀργυιαὶ δίκαιαί εἰσι στάδιον ἑξάπλεθρον, ἑξαπέδου τῆς ὀργυιῆς μετρεομένης καὶ τετραπήχεος Hdt. 2.149, cf. 4.41, 86, PHal. 1.98 (iii B. C.), POxy. 669.39 (iii A. D.).
3. rod for measuring land, = 91 / 4 σπιθαμαὶ βασιλικαί, Hero *Geom. 4.11: - poet. also ὀρόγυια (q.v.): in compds. -ωρυγ-, v. δεκ-ώρυγος. (Proparox. in nom. and acc. sg., Hom. ll.cc.; oxyt. or perispom. in other cases, cf. Hdn.Gr. 2.613, al.; in Ion. the nom. and acc. sg. end in -ᾰ, -ᾰν, as in Att., Hom. ll.cc., the gen. and dat. sg. in -ῆς, -ῇ (acc. ὀργυιήν before consonant in Arat. 69, 196, is corrected to ὄργυιαν by Voss); ὀργυιά, -άν in late Gr., Hero l.c., etc.)
G3712 — ὀργυιά
ὀργυιάς, ἡ (ὀρέγω to stretch out), the distance across the breast front the tip of one middle finger to the tip of the other when the arms are outstretched; five or six feet, a fathom: [Act 27:28]. (Homer, Herodotus, Xenophon, others.)