Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.“ῥόϝος” Inscr.Cypr.135.19 H., Att. contr. ῥοῦς : Ion. and later writers have the heterocl. dat. ῥοΐ (like νοΐ from νοῦς), Hellanic. 28J., Ach.Tat.3.20; also gen. “ῥοός” Peripl.M.Rubr.46: (ῥέω):— stream, flow of water, current, Hom. only in sg., freq. with gen., ῥ. Ἀλφειοῖο, Ὠκεανοῖο, etc., Il.11.726, 16.151, al.; “κῦμα ῥόοιο” 21.263; προχέειν ῥόον εἰς ἅλα ib.219; ποταμοὺς ἔτρεψε νέεσθαι κὰρ ῥόον to flow in their own bed, 12.33; κατὰ ῥόον down, i.e. with, the stream, Od.5.327,461, Hdt.2.96, etc.: metaph., “φέρεσθαι κατὰ ῥοῦν” Pl.R.492c; “ταυτὶ κατὰ ῥ. προχωρεῖ” Luc.JTr.50; πρὸς ῥόον against it, Il.21.303; “Βόσπορος, ῥ. θεοῦ” A.Pers.746 (troch.); current at sea, “ὑπό τε τοῦ ῥοῦ καὶ ἀνέμου” Th.1.54; “εἰκῇ κατὰ ῥοῦν πλέοντας” Phld.Rh.1.381S.: also, current of air, Emp.100.14; “ῥόος καπνοῦ” Pi.P.1.22.

II. flux, discharge of morbid humours, Hp.Aph.5.56, Arist HA521a28, Thphr.HP9.12.1.

III. = ῥοή 3, Pl.Cra.411d.

IV. v. ῥόον.