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σημεῖον , τό, Ion. σημήϊον , Dor. σα_μήϊον IG12(3).452 (Thera, iv B.C.), σα_μεῖον IPE12.352.25 (Chersonesus, ii B.C.), IG5(1).1390.16 (Andania, i B.C.), σα_μᾶον CIG5168 (Cyrene):—= σῆμα in all senses, and more common in Prose, but never in Hom. or Hes.:
b. Dor., tomb, IG12(3).452 (iv B.C.), CIGl.c.
2. sign from the gods, omen, S.OC94; “τὰ ἀπὸ τῶν θεῶν ς. γενόμεναAntipho 5.81, cf. Pl.Phdr. 244c, Ap.40b, X.Cyr.1.6.1; wonder, portent, LXX Ex.4.8, al.; “ς. καὶ τέραταPlb.3.112.8, Ev.Matt.24.24, Ev.Jo.4.48, cf. IPEl.c., D.S.17.114; “φόβηθρα καὶ ς. ἀπ᾽ οὐρανοῦEv.Luc.21.11; esp. of the constellations, regarded as signs, “δύεται σημεῖαE.Rh.529 (lyr.), cf. Ion 1157.
3. sign or signal to do a thing, made by flags, ἀνέδεξε σημήϊον τοῖσι ἄλλοισι ἀνάγεσθαι he made signal for the rest to put to sea, Hdt.7.128; signal for battle, τὰ ς. ἤρθη, κατεσπάσθη, Th.1.49,63, etc.; καθαιρεῖν τὸ ς. to take it down, strike the flag, as a sign of dissolving an assembly, And.1.36; τὸ τῆς ἐκκλησίας ς. Ar.Th.278; ὕστερος ἐλθεῖν τοῦ ς. Id.V.690: generally, signal, “ς. ὑποδηλῶσαί τινι ὅτι . . Id.Th.1011; “τὰ ς. αὐτοῖς ἤρθηTh.4.42; τὸ ς. τοῦ πυρός, ὡς εἴρητο, ἀνέσχον ib.111; signal to commence work, [“ἡ] τοῦ σημείου ἄρσιςAth.Mitt.35.403 (Pergam.); σημείῳ ἀβαστάκτῳ, σημείοις ἀβαστάκτοις with unremoved signals), of gymnasia, i.e. never closed, IGRom.4.446 (ibid.), Abh.Berl.Akad.1932(5).44(ibid., ii A.D.).
4. standard or flag, on the admiral's ship, Hdt.8.92; on the general's tent, X.Cyr.8.5.13; ἔξω τῶν ς. out of the lines, ib.8.3.19.
b. body of troops under one standard or flag, PAmh.2.39.2 (ii B.C.); cf. “σημεία1.2.
5. landmark, boundary, limit, ἔξω τῶν ς. τοῦ ὑμετέρου ἐμπορίου out of the limits of your commercial port, D.35.28; of milestones, Plu.CG7, Hdn.2.13.9.
6. device upon a shield, Hdt.1.171, E.Ph.1114; upon ships, figure-head, Ar.Ra.933, Th.6.31, E.IA255 (lyr.).
7. signet on ring, etc., Ar.Eq.952, V.585, Pl.Tht.191d, al., X.HG5.1.30, D.42.2, PRev.Laws 26.5 (iii B.C.); figure, image, “Διὸς κτησίουAnticl.13; badge, “τρίαιναν ς. θεοῦA.Supp.218: pl., written characters, “γράψαι σημήϊα . . φωνῆςIG14.1549 (Rome).
b. pl. (Dor.) σαμεῖα, stripes, ib.5(1).1390.16 (Andania, i B.C.); clavi: σημεῖα, Gloss.
9. birthmark or distinguishing feature, Wilcken Chr.76.14 (ii A.D.), Sammelb.15.27 (ii A.D.), etc.
II. sign, token, indication of anything that is or is to be, S.OT1059, E.Ph.1332; “ς. φαίνεις ἐσθλὸς . . γεγώςS.El.24, cf. OT710; “τέχνης ς. τῆς ἐμῆςId.Ant.998; so later “τὰ ς. τῶν καιρῶνEv.Matt.16.3, etc.
2. in reasoning, a sign or proof, Ar.Nu.369, Th.1.6,10, And. 2.25, etc.; “τούτων ὑμῖν σημεῖα δείξωAeschin.2.103, cf. 3.46; “τάδε τὰ ς. ὡς . . X.Ages.1.5; “ς. εἰ . . Pl.Grg.520e; ὅτι ἀγαθὸς ἦν . ., τοῦτο μέγιστον ς. Id.Min.321b; τὸ μὴ ἐκδυθῆναι οὐδὲν ς. ἐστι is no proof to the contrary, Antipho 2.2.5; also, instance, example, Hp.VM 20; σημεῖον δέ: to introduce an argument, D.21.149, Isoc.4.86,107, etc.
3. in the Logic of Arist., a sign used as a probable argument in proof of a conclusion, opp. τεκμήριον (a demonstrative or certain proof), APr.70a11, SE167b9, Rh.1357a33.
b. in Stoic and Epicurean philos., sign as observable basis of inference to the unobserved or unobservable, Epicur.Ep.2p.43U., Phld.Sign.27, al., S.E.M.8.142, al.; περὶ σημείων (dub. sens.), title of work by Zeno, Stoic.1.14.
4. Medic., symptom, Hp.Morb.3.6, 15, Aret.SD1.9, Gal.1.313, 18(2).306.
b. = Lat. lenticula, a kind of skin-eruption, Cels.6.5.1.
5. pl., shorthand symbols, Plu.Cat.Mi.23, Gal. Libr.Propr.1, POxy.724.3 (ii A.D.), Lib.Or.42.25.
6. critical mark, Heph.Poëm.p.73C., D.L.3.65.
III. = στιγμή, mathematical point, Arist.APo.76b5, Ph.240b3, Euc.Def.1, al.; also ς. (with or without χρόνου) point of time, instant, Arist.Cael.283a11, Ph.262b2sq.
2. in Prosody and Music, unit of time, Aristid.Quint.1.14, Longin.Proll. Heph.5.
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  • Cross-references in general dictionaries from this page (66):
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