Lewis Short
curvÄmen (noun N) : id.
* 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,of the climate,Gell. 14, 1, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary