■ verb
1》 ( past retrod ; past participle retrodden ) go back over (a path or one's steps).
2》 ( past and past participle ~ed ) put a new tread on (a worn tyre).
■ noun
1》 a tyre that has been given a new tread; a remould.
2》 N. Amer. informal a superficially altered version of a film, book, etc.