[1] : The Collaborative International Dictionary of English v.0.48

lumber \lum"ber\, n. prob. fr. lombard, the lombards being the
   money lenders and pawnbrokers of the middle ages. a lumber
   room was, according to trench, originally a lombard room, or
   room where the lombard pawnbroker stored his pledges. see
   lombard.
   1. a pawnbroker's shop, or room for storing articles put in
      pawn; hence, a pledge, or pawn. obs.
      1913 webster

            they put all the little plate they had in the
            lumber, which is pawning it, till the ships came.
                                                  --lady murray.
      1913 webster

   2. old or refuse household stuff; things cumbrous, or bulky
      and useless, or of small value.
      1913 webster

   3. timber sawed or split into the form of beams, joists,
      boards, planks, staves, hoops, etc.; esp., that which is
      smaller than heavy timber. u.s.
      1913 webster

   lumber kiln, a room in which timber or lumber is dried by
      artificial heat. u.s.

   lumber room, a room in which unused furniture or other
      lumber is kept. u.s.

   lumber wagon, a heavy rough wagon, without springs, used
      for general farmwork, etc.

   dimensional lumber, lumber, usually of pine, which is sold
      as beams or planks having a specified nominal
      cross-section, usually in inches, such a two-by-four,
      two-by-six, four-by-four, etc.
      1913 webster +pjc
see also:
lombard lumber kiln lumber room lumber wagon dimensional lumber 

Wagon >> W Words
Wagon, definition of term: Wagon
wagon_pag1.html

Lumber >> L Words
Lumber, definition of term: Lumber
lumber_pag1.html

Water Wagon >> W Words
Water Wagon, definition of term: Water Wagon
water+wagon_pag1.html

Station Wagon >> S Words
Station Wagon, definition of term: Station Wagon
station+wagon_pag1.html

Paddy Wagon >> P Words
Paddy Wagon, definition of term: Paddy Wagon
paddy+wagon_pag1.html

Covered Wagon >> C Words
Covered Wagon, definition of term: Covered Wagon
covered+wagon_pag1.html

Conestoga Wagon >> C Words
Conestoga Wagon, definition of term: Conestoga Wagon
conestoga+wagon_pag1.html