curved shape vs crook

Other hyponyms of curved shape include bell-shaped curve, Gaussian curve, Gaussian shape, normal curve, meander, closed curve, S-shape, catenary, Cupid's bow, undulation, wave, extrados, gooseneck, intrados, bend, turn, twist, crotchet, hook, envelope, arc, crenation, crenature, crenel, crenelle, scallop, spiral, helix, spiral, perversion, sinuosity, sinuousness, arch, bell, bell shape, campana, arc, bow, crescent, quadric, quadric surface, lemniscate, line roulette, roulette, pedal curve, indifference curve, demand curve, polygonal chain, conchoid, brachistochrone, supply curve, cosine curve, cotangent curve, tangent curve.