curvāmen

I. a bending, bend, vaulting (not ante-Aug.; perh. first used by Ov.): patriae curvamina ripae, Ov. M. 9, 450; 2, 130; 3, 672: haec (villa) unum sinum molli curvamine amplectitur, Plin. Ep. 9, 7, 4: caeli, Gell. 14, 1, 10.