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,
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,
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.