What's another word for Horseshoe?

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