σύστημα

ατος, τό
A. whole compounded of several parts or members, system, Pl. Epin. 991e, Arist. GA 740a20; of the composite whole of soul and body, Epicur. Ep. 1p.21U.; τὸ ὅλον ς. τοῦ σώματος D.H. Rh. 10.6.
b. in literary sense, composition, ἐποποιικὸν ς. [πραγμάτων] Arist. Po. 1456a11; λυρικὰ ς. SIG 660.3 (Delph., ii B.C.); τέχνη ἐστὶ ς. ἐκ καταλήψεων συγγεγυμνασμένων Zeno Stoic. 1.21, cf. Arr. Epict. 1.20.5; of the syllogism, S.E. P. 2.173.
c. = σύστασις B. 11.2, Arist. GA 758b3.
2. organized government, constitution, Pl. Lg. 686b, Arist. EN 1168b32; ς. δημοκρατίας Plb. 2.38.6, cf. 6.10.14; τὸ ἐκ θεῶν καὶ σοφῶν ς. Diog.Bab.Stoic. 3.241; confederacy, ς. τῶν Ἀχαιῶν Plb. 2.41.15, cf. 9.28.2; τὸ Ἀμφικτιονικὸν ς. SIG 761 A 16 (Delph., i B.C.), Delph. 3(1).480.16; band of partisans, J. AJ 20.9.4; ς. τοῦ γένους ἡμῶν, of a Jewish community, Id. Ap. 1.7:—it seems to have meant also a company or guild, CIG 2508 (Cos, Dor. σύστα‐μα), 2562 (Hierapytna), 2699 (Mylasa); or a committee, τῆς γερουσίας ib.2930 (Tralles).
3. body of soldiers, corps, usu. of a definite number, like τάγμα, σύνταγμα, ς. μισθοφόρων, ἱππέων, etc., Plb. 1.81.11, 30.25.8, etc.; but τὸ τῆς φάλαγγος ς. the phalanx itself, Id. 5.53.3.
b. a boat's crew, Alciphr. 1.8.
4. generally,flock, herd, Plb. 12.4.10; τὰ βασιλικὰ ς. τῶν ἱπποτροφιῶν Id. 10.27.2.
5. college of priests or magistrates, Id. 21.13.11, Str. 17.1.29, etc.; of the Roman Senate, Plu. Rom. 13, cf. Lib. Or. 11.146.
6. in Music, system of intervals, scale, Pl. Phlb. 17d; ς. ἐναρμόνια, ὀκτάχορδα, Aristox. Harm. p.2 M., cf. Ph. 1.10, Plu. 2.1142f, Cleonid. Harm. 1.
b. strain, Jul. Caes. 315c.
7. in Metre, metrical system, as in Anapaestics, Heph. Poë. 3.
8. Medic., accumulation of sediment, Hp. Epid. 7.83; τὰ τῶν ὑδάτων ς. LXX Ge. 1.10 (v.l. συστέματα), cf. Ezek. Exag. 134, Sotion p.183 W.
9. Medic., the pulse-beats taken collectively, Gal. 9.279.
10. machine, apparatus, Apollod. Poliorc. 138.13.--The word first occurs in Hp. and Pl., but is chiefly used in later Prose.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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