Bailly
ώ (ὁ) att. c. ὄρφος, AR. Vesp. 493 ; PLAT. COM. (ATH. 5 d), etc.
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LSJ
or ὀρφῶς (v. infr.), great sea-perch, Epinephelus gigas, still called ὀρφός in Greece, Ar. V. 493, Pl.Com. 56, 173.13, Cratin. 147, Amips. 8, Arist. HA 543b1, 591a11, Numen. ap. Ath. 7.315b, cf. 295b, Olymp. in Grg. p. 360 J. ; orphus rubens, Plin. HN 32.152. (Nom. sg. -φώς Arist. HA 543b1 (-φός 591a11); Hdn. Gr. 1.224 has ὄρφος κοινῶς, ὀρφῶς δὲ Ἀττικῶς, cf. Hsch. ; but Ath. 7.315b states that nom. Att. is ὀρφώς, citing Archipp. 17; gen. sg. ὀρφώ Cratin. l.c., acc. -φών Pl.Com. 173.13, dat. pl. -φῷσι Id. 56, Amips. l.c., acc. pl. -φώς Ar. l.c.)
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ὁ, = ὄρφος, wo man die Beispiele aus Ar. u. a. Com. sehe.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)