Curvature/ˈkɜːrvətʃər/ Definition 1 of 3Pro Tip 1/2Visual Imagery Imagine bending an object to help recall 'curvature' implies a non-straight shape. The curvature of the banana was perfect for comic illustrations. Pro Tip 2/2Physical World Use 'curvature' to describe visible bends in large objects or the horizon. The highway's curvature made the long drive feel like a scenic route.