'Reforestation' definitions:

Definition of 'reforestation'

From: WordNet
noun
The restoration (replanting) of a forest that had been reduced by fire or cutting [syn: reforestation, re- afforestation]

Definition of 'Reforestation'

From: GCIDE
  • Reforestation \Re`for*est*a"tion\, n replanting with trees; reconversion into a forest; the act of reforesting. [PJC]