κυρτ-ότης,ητος,ἡ,
A. humped shoulders, stoop, ἡ Πλάτωνος κ.
Plu. 2.26b
;convex surfaceof a bone, etc., Gal. UP 2.7 , 12.5 (pl.), al.; of the spherical moon, Plu. 2.922d ; of the earth, Cleom. 1.8 ; τῆς θαλάσσης
Str. 1.1.20
, Theo Sm. p.123 H.
2. convexity, opp.κοιλότης, of a line, Arist. Ph. 217b3 , Mete. 386a1 , cf. Hero Spir. 1.23 .