Called to mend a break! (5)
I believe the answer is:
named
'called' is the definition.
('name' can be a synonym of 'call')
'mend a break' is the wordplay.
'break' indicates an anagram.
'mend'+'a'='menda'
'menda' anagrammed gives 'NAMED'.
'to' acts as a link.
(Other definitions for named that I've seen before include "Handled" , "Titled" , "Identified by appellation" , "Entitled" , "Called" .)