catenarian
arc
bow
cadence
catacaustic
caustic
circle
conchoid
crook
curl
curve
decline
decurrence
diacaustic
droop
ellipse
festoon
hook
hyperbola
lapse
lituus
lowering
parabola
sag
sinkage
sinus
slump
submergence
subsidence
swag
tracery
curved shape
Eiffel
biosphere
black-body
conoid
ensemble-average
half-packed
high-vaulted
late-breaking
leading-in
low-walled
pagoda-like
price-yield
quirkish
still-standing
upward-sloping
well-hidden