arch
arch brace / arch buttress

arch-heretic
heresiarca

arch-traitor
Demónio

depressed
depressed arch

flattened
flattened arch

Gothic
Gothic arch

high-crowned
high-crowned arch

lancet
lancet arch

Moorish
Moorish arch

neural
neural arch

oblique
oblique arch / oblique vault

ogee
ogee arch

pelvic
pelvic arch / pelvic girdle

pointed
pointed arch

raised
raised arch

refractory
refractory arch

relieving
relieving arch

rood
rood arch

scapular
scapular arch

scheme
scheme arch

skew
skew arch

span
arch with a span of 50 metres

springing
springing of an arch

stilted
stilted arch

surbased
surbased arch

surmounted
surmounted arch

triumphal
triumphal arch

twilight
.../ twilight arch / twilight curve

twin
twin arch

zygomatic
zygomatic arch