To regrow something is to grow it back. If you cut a tree down, it will usually take a few years for the tree to regrow.
The tree will usually regrow within two years if it's cut down in the right place.
The tree will usually regrow within a few months if it's cut down in the wrong place.
verb
grow anew or continue growth after an injury or interruption
1
However, don't go and abrade down into the live flesh, or they will regrow.
2
Residual melanocytes regrow into the scar.
3
Cervical polyps are unlikely to regrow.
4
Oz bush is DESIGNED to burn and regrow.
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If the shrimp's rostrum is broken off, it will regrow.
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If this does not happen, this species will regrow a shoot.
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It will also regrow in environments ravaged by wildfire.
8
But it is now know that they can regrow their hair.
9
A fetus that loses a limb can regrow it.
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A new set of antlers will then regrow in the spring.