DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   lumber
       n 1: the wood of trees cut and prepared for use as building
            material [syn: lumber, timber]
       2: an implement used in baseball by the batter [syn: baseball
    bat, lumber]
       v 1: move heavily or clumsily; "The heavy man lumbered across
            the room" [syn: lumber, pound]
       2: cut lumber, as in woods and forests [syn: log, lumber]