"lumber" in the noun sense
1. lumber, timber
the wood of trees cut and prepared for use as building material
2. baseball bat, lumber
an implement used in baseball by the batter
"lumber" in the verb sense
1. lumber, pound
move heavily or clumsily
"The heavy man lumbered across the room"
2. log, lumber
cut lumber, as in woods and forests
Source: WordNet® (An amazing lexical database of English)
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