ῥαχάδην

άδος, ἡ
A. wooded ridge, Id., Phot., but ῥάχας, ὁ, gen. τοῦ ῥάχα, IG 14.352 ii 25,66 (Halaesa).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project