Halo piece (3)
I believe the answer is:
arc
(Other definitions for arc that I've seen before include "Light" , "circle, partly" , "Curve of car" , "Rainbow, e.g." , "Part of circle; discharge" .)
I believe the answer is:
arc
(Other definitions for arc that I've seen before include "Light" , "circle, partly" , "Curve of car" , "Rainbow, e.g." , "Part of circle; discharge" .)