\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.]
         They put all the little plate they had in the
         lumber, which is pawning it, till the ships came.
                                               --Lady Murray.
2. Old or refuse household stuff; things cumbrous, or bulky
   and useless, or of small value.
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.]
{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.

\Lum"ber\, b. t. [imp. & p. p. {Lumbered}; p. pr. & vb.
n. {Lumbering}.]
1. To heap together in disorder. `` Stuff lumbered
   together.'' --Rymer.
2. To fill or encumber with lumber; as, to lumber up a room.

\Lum"ber\, v. i.
1. To move heavily, as if burdened.
2. [Cf. dial. Sw. lomra to resound.] To make a sound as if
   moving heavily or clumsily; to rumble. --Cowper.
3. To cut logs in the forest, or prepare timber for market.
   [U.S.]