Curves (4)
'curves' is the definition.
(arc is a kind of curve)
This is all the clue.
(Other definitions for arcs that I've seen before include "Bows" , "Parts of a circle" , "formations not straight" , "Streaks of electrical discharges" , "Curves in cars" .)
'curves' is the definition.
(bend is a kind of curve)
This is the entire clue.
(Other definitions for bends that I've seen before include "Decompression sickness" , "Diver's affliction" , "Road curves" , "Buckles" , "Painful divers' condition" .)
'curves' is the definition.
('wind' can be a synonym of 'curve')
This is the entire clue.
(Other definitions for winds that I've seen before include "Currents of air" , "Coils" .)