GRC
τρίγωνος
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τρί·γωνος, ος, ον [ῐ] à trois angles, triangulaire, ESCHL. Pr. 815 ; PLAT. Tim. 55 b ; POL. 1, 42, 3 ; τρ. ἀριθμός, PLUT. 744 b, nombre triangulaire, comme 3 = 1 + 1 + 1 ; ou 6 = 2 + 2 + 2, etc.
subst. :
I ὁ τρίγωνος :
1 sorte de harpe triangulaire, SOPH. fr. 361 ;
2 pastille triangulaire, GAL. ;
II τὸ τρίγωνον :
1 triangle, fig. de géométrie, T. LOCR. 98 b ; PLAT. Tim. 50 b ;
2 harpe, c. τρίγωνος, EUP. 2-1, 481 Meineke ; PLAT. Rsp. 399 c ; ATH. 183 f, etc. ;
3 tribunal de forme triangulaire, à Athènes, LYCURG. et MÉN. (HARP.) ; PAUS. 1, 28, 8 ; POLL. 8, 121.
subst. :
I ὁ τρίγωνος :
1 sorte de harpe triangulaire, SOPH. fr. 361 ;
2 pastille triangulaire, GAL. ;
II τὸ τρίγωνον :
1 triangle, fig. de géométrie, T. LOCR. 98 b ; PLAT. Tim. 50 b ;
2 harpe, c. τρίγωνος, EUP. 2-1, 481 Meineke ; PLAT. Rsp. 399 c ; ATH. 183 f, etc. ;
3 tribunal de forme triangulaire, à Athènes, LYCURG. et MÉN. (HARP.) ; PAUS. 1, 28, 8 ; POLL. 8, 121.
Étym. τρ. γωνία.
Bailly 2020 Hugo Chávez Gérard Gréco, André Charbonnet, Mark De Wilde, Bernard Maréchal & contributeurs / Licence Creative Commons Attribution - Pas d'Utilisation Commerciale - Pas de Modification — « CC BY-NC-ND 4.0 »
LSJ
ον, three-cornered, triangular, τὴν τ. ἐς χθόνα Νειλῶτιν, of the Delta, A. Pr. 813; τ. ῥυθμοί Id. Fr. 78; βάσεις Pl. Ti. 55b; of the hearts of certain fish, Arist. Frr. 314, 330, 333; of Sicily, Plb. 1.42.3; of Britain, Str. 4.5.1.
ἀριθμοὶ τρίγωνοι, triangular numbers, are those whose units can be disposed in a triangle, as 3 ⁂, 6 <*>, etc., being represented by the formula n (n+1)/2, Plu. 2.1003f, cf. Nicom. Ar. 2.8; these numbers are also called triangles (τρίγωνοι), Plu. 2.744b.
Astrol., in triangular or trine aspect, of planets when there are three signs of the zodiac between them, so that they are at the apices of an equilateral triangle, S.E. M. 5.39, Plot. 2.3.4; τ. σχηματισμοί Ptol. Tetr. 35, cf. Man. 3.344.
as Subst., τρίγωνον, τό, triangle, Ti.Locr. 98a, Pl. Ti. 50b, etc.
a musical instrument of triangular form, with strings of equal thickness but unequal lengths, Eup. 77, Pl.Com. 69.13, Pl. R. 399c, Arist. Pol. 1341a41, Diog. Ath. 1.9; called τ. ψαλτήρια in Arist. Pr. 919b12; — also as masc., πολὺς δὲ Φρὺξ τρίγωνος S. Fr. 412, cf. Ath. 4.183e.
one of the Athenian lawcourts, Din. Fr. 89.35, Lycurg. Fr. 10, Men. 1076, Paus. 1.28.8, Poll. 8.121.
the constellation Triangulum, Eudox. ap. Hipparch. 1.2.13.
τρίγωνος, ἡ, name of a lozenge, Orib. Syn. 3.183; as masc., Paul.Aeg. 7.12.
ἀριθμοὶ τρίγωνοι, triangular numbers, are those whose units can be disposed in a triangle, as 3 ⁂, 6 <*>, etc., being represented by the formula n (n+1)/2, Plu. 2.1003f, cf. Nicom. Ar. 2.8; these numbers are also called triangles (τρίγωνοι), Plu. 2.744b.
Astrol., in triangular or trine aspect, of planets when there are three signs of the zodiac between them, so that they are at the apices of an equilateral triangle, S.E. M. 5.39, Plot. 2.3.4; τ. σχηματισμοί Ptol. Tetr. 35, cf. Man. 3.344.
as Subst., τρίγωνον, τό, triangle, Ti.Locr. 98a, Pl. Ti. 50b, etc.
a musical instrument of triangular form, with strings of equal thickness but unequal lengths, Eup. 77, Pl.Com. 69.13, Pl. R. 399c, Arist. Pol. 1341a41, Diog. Ath. 1.9; called τ. ψαλτήρια in Arist. Pr. 919b12; — also as masc., πολὺς δὲ Φρὺξ τρίγωνος S. Fr. 412, cf. Ath. 4.183e.
one of the Athenian lawcourts, Din. Fr. 89.35, Lycurg. Fr. 10, Men. 1076, Paus. 1.28.8, Poll. 8.121.
the constellation Triangulum, Eudox. ap. Hipparch. 1.2.13.
τρίγωνος, ἡ, name of a lozenge, Orib. Syn. 3.183; as masc., Paul.Aeg. 7.12.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
dreiwinklig, dreieckig, dreispitzig ; χθών, Aesch. Prom. 815 ; ἐπίγραμμα, Schol. Il. 3.156 ; σχῆμα, Pol. 1.42.3.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)
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