MEND

• mend
• 1

  repair

   [transitive]
• a) to repair a tear or hole in a piece of clothing:
• My father used to mend our shoes.
• b) British English to repair something that is broken or not working [= fix]:
• When are you going to mend that light in the hall?
• Tim can mend any broken toy.
• ➔ see usage note repair1
• 2

  become healthy

   [intransitive] informal if a broken bone mends, it becomes whole again:
• His leg isn't mending as quickly as he'd expected.
• 3

   mend your ways

  to improve the way you behave after behaving badly for a long time:
• If he doesn't mend his ways, he'll be asked to leave.
• 4

   mend (your) fences

  to try to become friendly with someone again after you have offended them or argued with them:
• Is it too late to mend fences with your ex-wife?
• 5

  end a quarrel

   [transitive] to end a quarrel or difficult situation by dealing with the problem that is causing it:
• I've tried to mend matters between us, but she's still very angry.
• WORD CHOICE: 
• 
  
• repair, fix, mend
• Repair is slightly more formal than fix or mend. You can repair anything that is broken or damaged, or has a hole in it
• • He repairs old furniture.
• • It cost too much to get the car repaired.
• • The roof needs repairing in a few places.
• In British English, fix and mend have the same meaning, but people more often use fix to talk about repairing a machine, vehicle etc and mend to talk about repairing holes in clothes, roads, roofs, and fences.
• In American English, mend is usually only used to talk about repairing things with holes in them, especially clothes and shoes.
• ➔ See also repair

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.