Bend to heal about five (5)
I believe the answer is:
curve
'bend' is the definition.
(I know that curve is a more specific form of the action bend)
'heal about five' is the wordplay.
'heal' becomes 'cure' (synonyms).
'about' indicates putting letters inside.
'five' becomes 'V' (Roman numeral).
'cure' placed around 'v' is 'CURVE'.
'to' acts as a link.
(Other definitions for curve that I've seen before include "Eg, arc" , "No part of this line is straight" , "Line that's not straight" , "Not the straightforward" , "way of learning" .)