Adjective arching has 1 sense
  1. arced, arched, arching, arciform, arcuate, bowed - forming or resembling an arch; "an arched ceiling"
    Antonym: straight (indirect, via curved)
,Verb arch has 1 sense
  1. arch, curve, arc - form an arch or curve; "her back arches"; "her hips curve nicely"
    --1 is one way to bend, flex
    Derived forms: noun arch1, noun arch2, noun arch3, noun arch4
    Sample sentences:
    Something ----s
    Somebody ----s something
,
TOP