χαῦνος

η, ον, ος, ον, Adv.
A. porous, spongy, Hp. Aph. 5.67; χ. ὀστέα, such as the collar-bone, Id. Art. 14; loose, συστροφή Pl. Plt. 282e; μαστοί Sor. 1.88; ἅλες χ. καὶ λεπτοὶ ὥσπερ χιών Arist. Mete. 359a32; γῆ, opp. στερρός, Id.Pr.l.c., cf. Ephor. 65(e)J.; loose-grained, of timber, Thphr. HP 3.4.3, 5.3.3; also of the fruit of the medlar, spongy, ib.3.12.5; ‐ότατος πυρετός, = ῥοώδης (A) 11.a, Erot. s.v. σπόγγοι; τὸ χ. D.S. 3.14. Adv. ‐νως, of garments hanging loosely, Hdn. 4.15.3; of bandaging, Pall. in Hp. Fract. 12.285C.
II. metaph., empty, frivolous, νόος Sol. 11.6; πραπίς Pi. P. 2.61; κενεᾶν ἐλπίδων χαῦνον τέλος Id. N. 8.45; χαῦνα μὲν τότ’ ἐφράσαντο Sol. 34; χαύνους τὰς ψυχὰς καὶ θρασείας ποιεῖ conceited, Pl. Lg. 728e; ὁ μεγάλων ἑαυτὸν ἀξιῶν, ἀνάξιος ὤν, χαῦνος Arist. EN 1123b9: Comp., οἱ ‐ότεροι τεχνῖται Phld. Rh. 1.376 S. Adv. ‐νως sluggishly, Eustr. in EN 379.15.
2. of vast extension, ὄνομα Ar. Av. 819. Adv. χαύνως frivolously, Simp. in Epict. p.121 D. (Cf. χάος.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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