Arc (5)
'arc' is the definition.
(I know that arc can be written as curve)
This is all the clue.
(Other definitions for curve that I've seen before include "Comparable in some respects" , "Line on a graph" , "Non-straight line" , "Line that isn't straight" , "Shape of 23 down" .)
'arc' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for curvature that I've seen before include "Degree of bending" , "Continual bending" , "Bend" .)