ῥᾰ́χ-ις,ιος, Att.
εως , ἡ(butὁ
IG 42 (v. infr.)),
A. the lower part of the back, the chine,συὸς ῥ. Il. 9.208 .
2. spineorbackbone, σύγκειται ἡ ῥ. ἐκ σφονδύλων, τείνει δ' ἀπὸ τῆς κεφαλῆς μέχρι πρὸς τὰ ἰσχία
Arist. HA 516a11
, cf. PA 654b12 , al.;ὑπὸ ῥάχιν παγέντεςimpaled, A. Eu. 190 , cf. S. Fr. 20 , E. Cyc. 643 ;μυελὸς κοίλης ῥάχεωςArchel. ap. Antig. Mir. 89 , cf. Pl. Ti. 77d , 91a .
II. anything ridged like the backbone:
1. ridgeof a hill or mountain, Hdt. 3.54 , 7.216 , IG 42(1).71.14 (Epid.,iii B.C.), Plb. 3.101.2 , D.H. 5.44 , Str. 3.2.3 (pl.);ἂν ῥάχινalong theridge, GDI 5075.69 (Crete,i B.C.); so Archil. 21
likened Thasos to anὄνου ῥάχις.
2. ῥ. ῥινός bridgeof the nose, Poll. 2.79 , Ruf. Onom. 35 .
3. ῥ. φύλλου mid-ribof a leaf, Thphr. HP 3.7.5 , al.
4. the sharp projection on the middle of the shoulder-blade, Gal. UP 13.10 , Ruf. Onom. 71 .