Verb
to bend [ bent ; bent ]
to arc [ arced / arcked ; arced / arcked ]
Substantiv
curvature [pl. curvatures]
curve [pl. curves]
camber [pl. cambers] , {shapes}, {arch.}
تقوس {هندسة}
vaulting {arch.}
تَقَوُّس {هندسة}