lumber

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 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

noun

miscellaneous discarded household articles, furniture, etc. stored away or taking up room
☆ timber sawed into beams, planks, boards, etc. of convenient sizes

transitive verb

1. to fill or obstruct with useless articles or rubbish; clutter
2. Brit., Informal to encumber or burden: often with with
☆ to remove (timber) from (an area) for use as lumber

intransitive verb

to cut down timber and saw it into lumber

Related Forms:

intransitive verb

See lumber in American Heritage Dictionary 4

(lŭmˈbər)

noun

Timber sawed into boards, planks, or other structural members of standard or specified length.
Something useless or cumbersome.
Chiefly British Miscellaneous stored articles.

verb lum·bered, lum·ber·ing, lum·bers

verb, transitive