Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.straight rod, bar, esp. to keep a thing straight:

1. in pl., staves which preserved the shape of the shield, [ἀσπίδα] “δύω κανόνεσσ᾽ ἀραρυῖαν” Il.13.407, cf. 8.193, Them.Or.21.257a.

2. weaver's rod, to which alternate threads of the warp were attached, Il. 23.761, Ar.Th.822 (anap.), Plu.2.156b, Nonn.D.37.631.

3. ruddled line used by masons or carpenters, “πύργους . . ὀρθοῖσιν ἔθεμεν κανόσιν” E.Tr.6; “βάθρα φοίνικι κανόνι . . ἡρμοσμένα” Id.HF945; also “κ. λίθινος” rule, straight-edge, IG12.313.113, 373.217, al., cf. Pl.Phlb.56b, X.Ages.10.2, AP11.120 (Callicter); ὥστε τέκτονος παρὰ στάθμην ἰόντος ὀρθοῦται κ. S.Fr.474.5; “κανόνα προσφέρειν” Aeschin.3.199; “ποιῶν ὀρθὰ πάντα πρὸς κανόνα” IG7.3073.108 (Lebad., ii B. C.); “κανόνεσσι . . μετρήσασθαι” A.R.1.724, cf. Ar.Av.1004; μολίβδινος κ., i.e. a flexible rule that cannot be depended on for straight measurement, Arist.EN1137b31 (unless = κῦμα）“; κανόνα ποιῆσαι στρεβλόν” Id.Rh.1354a26.

b. ruler, AP6.63.2 (Damoch.).

c. metaph., “κανόνες καὶ πήχεις ἐπῶν” Ar.Ra.799; “λαμπρὰ μὲν ἀκτὶς ἡλίου, κ. σαφής” E.Supp.650.

4. beam or tongue of the balance, “στῆσαι ἐκ κανόνος” AP11.334, cf. Sch.Ar.Ra.811.

5. curtain-rod, CharesFr. 4J.

6. in pl., reeds of a wind-organ, AP9.365 (Jul. Imp.).

7. bed-post, LXXJu.13.6.

8. in pl., poles from which the ancilia were suspended when carried, D.H.2.71.

9. pl., bars of a window, PSI5.547.9(iii B. C.).

10. in Music, monochord, κατατομὴ κανόνος, title of work by Euc., cf. Phld.Mus.p.100K., Ptol.Harm. 1.8, 2.12; ὀκτάχορδος, πεντεκαιδεκάχορδος κ., ib.2.2, 3.1 tit.

11. cross-bar of κιθάρα, Porph.inHarm.p.207.

II. metaph., rule, standard, “κανόνι τοῦ καλοῦ μαθών” E.Hec.602; “γνώμης πονηροῖς κανόσιν ἀναμετρούμενος τὸ σῶφρον” Id.El.52; “κανόνα προσάγειν” Luc.Hist. Conscr.5; of the law, Lycurg.9; ὁ σπουδαῖος . . ὥσπερ κ. καὶ μέτρον αὐτῶν (sc. καλῶν καὶ ἡδέων）“ ὤν” Arist.EN1113a33, cf. Arr.Epict.3.4.5; “τὴν ἐλευθερίαν καὶ τὸ μηδέν᾽ ἔχειν δεσπότην αὑτῶν, ἃ τοῖς προτέροις Ἕλλησιν ὅροι τῶν ἀγαθῶν ἦσαν καὶ κανόνες” D.18.296; “ὡς κανόνι τῷ πάθει πᾶν ἀγαθὸν κρίνοντες” Epicur.Ep.3p.63U.; ὁ Ἐπικούρου κ. his treatise on Logic, Id.Fr.34, Damox.2.15; ὁ τῆς φιλοσοφίας κ. LXX 4 Ma.7.21: Κανόνες, οἱ, title of treatise by Democritus; of a philosophic principle, Dam.Pr.312.

2. in Art, model, standard, ὁ κ., a statue by Polyclitus which furnished a model of proportions, Plin.HN34.55; also his treatise on the same, Chrysipp.Stoic.3.122 (adnot.); also in Literature, “Ἡρόδοτος τῆς Ἰάδος ἄριστος κ., Θουκυδίδης δὲ τῆς Ἀτθίδος” D.H.Pomp.3.

c. of a person, severe critic, κ. scriptorum, Cic.Fam. 16.17.1.

3. Gramm., general rule, AB1180, Choerob.inTheod.2 p.xxi; paradigm, “οἱ κ. τῶν ὀνομάτων” A.D.Adv. 141.25.

b. metrical scheme showing all possible forms of a verse, Heph.14.1, al.

4. in Astronomy and Chronology, table of dates, “κανόνες Χρονικοί” Plu. Sol.27; sg., κανών, ὁ, system of chronology, D.H.1.74.

b. astrological table, “κανόνων καὶ εἰσόδων πήξεις” Vett.Val.108.19.

5. limit, boundary, expl. as τὸ μέτρον τοῦ πηδήματος, Poll.3.151.

b. 'province', sphere of action, 2 Ep.Cor.10.15.

6. assessment for taxation, PLond.1.99.5 (iv A. D.), etc.; οἱ δεσποτικοὶ κ. the Imperial taxes, ib.234.9 (iv A. D.); ἰδιωτικὸς κ. POxy.2124.10 (iv A. D.).

7. tariff, Stud.Pal.20.143.5 (v/vi A. D.).