lumber lumber /ˈlʌmbɝ/

noun

1. () The wood of trees cut and prepared for use as building material  ( timber , lumber )
   the wood of trees cut and prepared for use as building material
     The construction site was filled with stacks of lumber.
   The construction site was filled with stacks of lumber.
   
   
2. An implement used in baseball by the batter  ( baseball bat , lumber )
   an implement used in baseball by the batter
   
   

verb

1. () Move heavily or clumsily  ( lumber , pound )
   move heavily or clumsily
    The heavy man lumbered across the room
   The heavy man lumbered across the room
   
2. Cut lumber, as in woods and forests  ( lumber , log )
   cut lumber, as in woods and forests