They may join in a circle (4)
I believe the answer is:
arcs
(Other definitions for arcs that I've seen before include "Portions of a circle" , "Segments of a circle" , "formations not straight" , "Curving trajectories" , "Bows" .)
I believe the answer is:
arcs
(Other definitions for arcs that I've seen before include "Portions of a circle" , "Segments of a circle" , "formations not straight" , "Curving trajectories" , "Bows" .)