retread (Verb) — Use again in altered form. ex. "retread an old plot"
retread (Verb) — Give new treads to (a tire).
retread (Noun) — A used automobile tire that has been remolded to give it new treads.
retread (Noun) — Someone who is brought back to work in a job similar to one they had before; a worker that has been re-trained or re-positioned. ex. "In common with many of Obama's new front line, Richardson is also another Clinton retread."