The Collaborative International Dictionary
Arciform
Arciform \Ar"ci*form\, a. [L. arcus bow + -form.] Having the form of an arch; curved.
Wiktionary
arciform
a. Having the form of a bow (weapon)
WordNet
Usage examples of "arciform".
The arciform shapes, bright and primary like the work of some young child's air drawing toy, were flowers on his grave.