The Collaborative International Dictionary of English v.0.48:
Disforest \Dis*for"est\, v. t. 1. To disafforest. --Fuller. [1913 Webster] 2. To clear or deprive of forests or trees. [1913 Webster]WordNet (r) 3.0 (2006):
disforest v 1: remove the trees from; "The landscape was deforested by the enemy attacks" [syn: deforest, disforest, disafforest]