Arc (5)
'arc' is the definition.
(synonyms)
This is the entire 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 the entire clue.
(Other definitions for curvature that I've seen before include "Degree of bending" , "Continual bending" , "Bend" .)