timber in WordNet English dictionary

1. land that is covered with trees and shrubs
   forest  woodland  timberland  timber 
   
2. the wood of trees cut and prepared for use as building material
   lumber  timber 
   
3. (music) the distinctive property of a complex sound (a voice or noise or musical sound)
   "the timbre of her soprano was rich and lovely"; "the muffled tones of the broken bell summoned them to meet"
   timbre  timber  quality  tone 
   
4. a beam made of wood
   timber 
   
5. a post made of wood
   timber