'Reforest' definitions:

Definition of 'reforest'

From: WordNet
verb
Forest anew; "After the fire, they reforested the mountain"

Definition of 'Reforest'

From: GCIDE
  • Reforest \Re*for"est\, v. t. [imp. & p. p. Reforested; p. pr. & vb. n. Reforesting.] To replant with trees; to reafforest; to reforestize. [Webster 1913 Suppl.]