arching
ar-ching
adjective
Having the characteristic shape of an arch; curving.
"An arching bridge spanned the river."
verb (present participle)
Forming a curve or bending into an arch shape.
"The cat was arching its back."
verb (present participle)
Raising or curving eyebrows, often indicating amusement or surprise.
"She gave him an arching eyebrow."
Thesaurus
Synonyms: curved, bowed, arched, curving, arcuate, arced, arciform