arching
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
1.To cover with an arch or arches. [1913 Webster]
2.To form or bend into the shape of an arch. [1913 Webster]
The horse arched his neck.— Charlesworth.[1913 Webster]
Arching \Arch"ing\, n.
1.The arched part of a structure. [1913 Webster]
2.(Naut.) Hogging; -- opposed to sagging. [1913 Webster]