1) Arced 2) Arched 3) Arched work or formation 4) Arciform 5) Arcuate 6) Bending backward 7) Bowed 8) Curved 9) Curving 10) Forming an upward curve 11) Forming or resembling an arch 12) Like a basketball shot 13) Like a forest canopy 14) Like a Palladian window 15) Spanning Found on https://www.crosswordclues.com/clue/arching