Other hyponyms of curved shape include
bell-shaped curve,
Gaussian curve,
Gaussian shape,
meander,
closed curve,
S-shape,
catenary,
Cupid's bow,
undulation,
wave,
extrados,
gooseneck,
intrados,
bend,
crook,
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.