re ‧ tread /ˈriːtred/ BrE AmE noun [countable]
1 . a old tyre which is given a new rubber surface SYN remould
2 . American English informal something that is made or done again, with a few changes added – used to show disapproval:
retreads of old TV shows
3 . American English informal someone who has been trained to do work which is different from what they did before