"arched" in the verb sense
1. arch, curve, arc
form an arch or curve
"her back arches"
"her hips curve nicely"
"arched" in the adjective sense
1. arched
constructed with or in the form of an arch or arches
"an arched passageway"
2. arced, arched, arching, arciform, arcuate, bowed
forming or resembling an arch
"an arched ceiling"
Source: WordNet® (An amazing lexical database of English)
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