incurvation

arc arch bend bow curve deflection flexure round shape

arching curving curvity

line

arc arch contour loop trajectory

ambit bend bight bow camber catenary chord circle circuit circumference compass concavity crook curlicue curvature ellipse festoon flexure hairpin half-moon helix horseshoe hyperbola incurvature meniscus ogee parabola quirk round sinuosity sweep swerve turn vault whorl

curvation rondure

line