regrowverb [ I or T ]
uk/ˌriːˈɡrəʊ//ˌriːˈɡroʊ/present participle regrowing, past tense regrew, past participle regrownto grow again, or make something grow again:
The lizard's tail had been cut off, but it had regrown.
The report claimed that balding men can now regrow their hair naturally at home.