Crossword clues for Forms an arch over 5 letters:SPANSForms an arch overEMBOWForm an archEMBOWForm into an arch.EMBOWForm into an arch, old-styleEMBOWBend into the form of an arch.EMBOWForm into an arch or curveAMECore or form: arch.OGEEPointed curve-formed arch.SPANForm an arch overEROSIONIt formed some features of Arches National Park