arciform

from WordNet (r) 3.0 (2006)

arciform
    adj 1: forming or resembling an arch; "an arched ceiling" [syn:
           {arced}, {arched}, {arching}, {arciform}, {arcuate},
           {bowed}]

from The Collaborative International Dictionary of English v.0.48

Arciform \Ar"ci*form\, a. [L. arcus bow + -form.]
   Having the form of an arch; curved.
   [1913 Webster]

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