( a. )
Having to opposite curvatures, that is, curved longitudinally in one direction and transversely in the opposite direction, as the surface of a saddle.
( a. )
Having to opposite curvatures, that is, curved longitudinally in one direction and transversely in the opposite direction, as the surface of a saddle.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012