σκαμβός

ή, όν
A. crooked, bent, ς. ξύλον οὐδέποτ’ ὀρθόν 'there's no straightening a crooked billet', Macar. 7.69; of a cow's horns, dub. rest. in PBaden 19.5 (ii A.D.); esp. bent asunder, bow, of the legs, opp. βλαισός, Gp. 19.2.1 (Comp.), cf. Gal. 14.793, Hippiatr. 102: metaph., καρδία ς. LXX Ps. 100(101).3.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project