wood in WordNet English dictionary

1. the trees and other plants in a large densely wooded area
   forest  wood  woods 
   
2. any wind instrument other than the brass instruments
   woodwind  woodwind instrument  wood 
   
3. a golf club with a long shaft used to hit long shots; originally made with a wooden head
   "metal woods are now standard"
   wood 
   
4. the hard fibrous lignified substance under the bark of trees
   wood