A.heap, “πολὺς ὀστεόφιν θίς” Od.12.45; “θῖνες νεκρῶν” A.Pers.818: metaph., “θὶς πημάτων” Lyc.812; esp. of sand-banks, “θῖνες ψάμμου” Hdt.3.26; ἄμμου, γῆς, Plu.Fab.6, Art.18; “τοὺς ἐν ἄμμῳ θῖνας” Phld.Piet.20; ἐν ταῖς θ. Arist.HA548b6, cf. 537a25; “θῖνας καὶ ψάμμους” Porph.Abst.4.21; of the sandy deserts of Libya, A.R.4.1384; Νασαμώνων αὔλια καὶ δολιχὰς θ. Call.Fr.126.
2. usu. in Hom., etc., beach, shore, freq. in oblique cases, “παρὰ θῖνα . . θαλάσσης” Il.1.34, cf. Od.6.236, etc.; “παρὰ θῖν᾽ ἁλὸς ἀτρυγέτοιο” Il.1.316, cf. 350, etc.; alone, “ἐπὶ θινί” Od.7.290; “παρὰ θῖνα” 9.46; later “θῖν᾽ ἁλός” Ar.V.1521 (parod.); “πόντου” S.Ph.1124 (lyr.); “θαλάσσας” E.Andr.109 (eleg.); “θαλαττία” D.H.3.44.
b. sand-bank, bar at the mouth of a river, Plb.4.41.6: pl., banks of a stream, D.S. 1.30.