Plato Greek Lexicon πέτρα

πέτρα

petra

rock

Appears 14 times across Plato's dialogues.

Frequency by work

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Dictionary (LSJ)

πέτρα, Ion. and Ep. πέτρη, , A. rock; freq. of cliffs, ledges, etc. by the sea, λισσὴ αἰπεῖά τε εἰς ἅλα πέτρη Od. 3.293, cf. 4.501, etc.; χῶρος λεῖος πετράων free from rocks, of a beach, 5.443 ; π. ἠλίβατος . . ἁλὸς ἐγγὺς ἐοῦσα Il. 15.618, etc.; χοιρὰς π. Pi. P. 10.52; also, rocky peak or ridge, αἰγίλιψ π. Il. 9.15, etc.; ἠλίβατος 16.35, etc.; λιττὰς π. Corinn. Supp. 1.30, cf.A. Supp. 796 (lyr.); π. Λενκάς, ʼωλενίη, etc., Od. 24.11, Il. 11.757, etc.; π. σύνδρομοι, Συμπληγάδες, Pi. P. 4.209, E. Med. 1264(lyr.); πρὸς πέτραις ὑψηλοκρήμνοις, of Caucasus, A. Pr. 4, cf. 31, 56, al.; π. Δελφίς, π. δίλοφος, of Parnassus, S. OT 464(lyr.), Ant. 1126(lyr.); π. Κωρυκίς A. Eu. 22; π. Κεκροπία, of the Acropolis, E. Ion 936. 2. π. γλαφυρή a hollow rock, i.e. a cave, Il. 2.88, cf. 4.107; σπέος κοιλῇ ὑπὸ π. Hes. Th. 301; δίστομος π. cave in the rock with a double entrance, S. Ph. 16, cf. 937; κατηρεφεῖς αὐτῇ τῇ π. Pl. Criti. 116b; π. ἀντρώδης X. An. 4.3.11; τόπος κύκλῳ πέτραις περιεχόμενος IG 42(1).122.21 (Epid.); ἕως τῆς π. down to virgin rock, PCair.Zen. 172.14 (iii B.C.), OGI 672 (Egypt, i A. D.), cf. Ev.Matt. 16.18. 3. mass of rock or boulder, Od. 9.243, 484, Hes. Th. 675 ; πέτρας κυλινδομένα φλόξ Pi. P. 1.23 ; ἐκυλίνδουν πέτρας X. An. 4.2.20, cf. Plb. 3.53.4. 4. stone as material, π. λαρτία, Τηΐα, SIG 581.97 (Crete, iii/ii B. C.), 996.13 (Smyrna, i A. D.): distd. from πέτρος (q. v.), which is v.l. in X.l.c.; πέτρᾳ shd. be read in S. Ph. 272 ; the distn. is minimized by Gal. 12.194. II. prov., οὐκ ἀπὸ δρυὸς οὐδʼ ἀπὸ πέτρης, etc. (v. δρῦς); as a symbol of firmness, ὁ δʼ ἐστάθη ἠΰτε π. ἔμπεδον Od. 17.463; of hard-heartedness, ἐκ πέτρας εἰργασμένος A. Pr. 244; ἁλίαν π. ἢ κῦμα λιταῖς ὢς ἱκετεύων E. Andr. 537 (anap.); cf. πέτρος I.2. (Written πε-τε-ρα in a text with musical accompaniment, Pae.Delph. 5.)
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