#1 lumber n. [timber] the wood of trees cut and prepared for use as building material. wn
#2 lumber v. [pound] move heavily or clumsily; "The heavy man lumbered across the room". wn
#3 lumber n. [baseball bat] an implement used in baseball by the batter. wn
#4 lumber v. [log] cut lumber, as in woods and forests. wn
vizzz