Crossword clues for Form an arch over 4 lettersAnswerClueOGEEPointed curve-formed arch.SPANForm an arch overAMECore or form: arch.EMBOWForm an archSPANSForms an arch overEMBOWForm into an arch, old-styleEMBOWBend into the form of an arch.EMBOWForm into an arch or curveEMBOWForm into an arch.EROSIONIt formed some features of Arches National Park