A.like ἄκρα, highest or farthest point:
1. mountain top, peak, “Γάργαρον ἄκρον Ἴδης” Il.14.292; “ἄκρον ὑπερβαλέειν” Od.11.597; τὰ ἄκρα heights, Hdt.6.100, Pl.Criti. 110e, etc.
3. end, extremity, τὰ ἄ. τῆς θαλάσσης, [τοῦἀέρος], Pl.Phd. 109d, 109e; ἄκρα χειρῶν hands, Luc. Im.6; ἐξ ἄκρων at the end, Ar.Fr.29; “ἐξ ἄκρου” Com.Adesp.398; “ἐπ᾽ ἄκροις” Pl.Sph.220d:—border, frontier, Plb.1.42.2.
II. metaph., highest pitch, height, “πανδοξίας ἄκρον” Pi.N.1.11; εἰς ἄκρον ἀνδρείας ἱκέσθαι to highest pitch, Simon.58; εἰς ἄκρον ἁδύς exceedingly, Theoc. 14.61; ἐπ᾽ ἄκρον ἀφικέσθαι, ἐλθεῖν, Pl.Plt.268e, Ti.20a; “πρὸς ἄκρῳ γενέσθαι” Id.Phdr.247b; “ἄκρον ἔχων σοφίης” Epigr.Gr.442 (Nabataea); “ἄκρον ἐρώτων εἰδότος, ἄκρα μάχας” AP7.448 (Leon.):—ἄκρα, τά, heights, highest point, οὔτοι ποθ᾽ ἥξει (sic) “τῶν ἄκρων ἄνευ πόνου” S.Fr.397; ἄκρα φέρεσθαι win prize, Theoc.12.31; “ἄκρα φέρουσ᾽ ἀρετῆς ὑμῖν” Epigr.Gr. 224.2 (Samos).
2. of persons, Ἄργεος ἄκρα Πελασγοί pride of Argos, Theoc.15.142.
IV. in Logic of Arist. τὰ ἄκρα are major and minor terms of syllogism, opp. to μέσον or middle, APr.25b36, al.
V. extremes in a proportion, Id.EN1133b2.