The definition of lumber is wood sawed into beams and boards of convenient sizes.(noun)
An example of lumber is the wood used for building a deck.
To lumber is defined as to move slowly with a lot of effort.(verb)
An example of lumber is when big trucks must climb up a steep incline.
See lumber in Webster's New World College Dictionary
Origin: < ? Lombard: orig., pawnbroker's shop or storeroom, hence pawned articles in storage, hence stored articles, hence lumber
Origin: ME lomeren < ? Scand, as in Swed lomra, to resound, loma, to walk heavily
See lumber in American Heritage Dictionary 4
Origin: Perhaps from lumber2.
intransitive verb lum·bered, lum·ber·ing, lum·bers
Origin: Middle English lomeren
Origin: , possibly of Scandinavian origin
Origin: ; akin to Swedish dialectal loma, to move heavily.
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