lumber

lumber, timber, wood, log

名词 lumber:

1. the wood of trees cut and prepared for use as building material
   同义词：timber
2. an implement used in baseball by the batter
   同义词：baseball bat

动词 lumber:

1. move heavily or clumsily
   同义词：pound
2. cut lumber, as in woods and forests
   同义词：log

1. Material, such as lumber or tile, used in making floors.
   地面材料如木料或瓷砖等铺地板用的材料
2. The round, often darker cross section of such a lump as it appears on a piece of cut lumber.
   节疤这种突出物的横截面，呈圆形，比周围的地方要黑，常常出现在切割好的木材上
3. He has a lumber-mill.
   他有一个锯木厂。
4. The old car lumbered up the hill.
   那辆旧车摇摇晃晃地开上了小山。

lumber

n.（名词）
Timber sawed into boards, planks, or other structural members of standard or specified length.
木材：锯成标准的或特定长度的木板、板条或其他建筑材料的木材
Something useless or cumbersome.
废物：笨重的或没有用途的东西
Chiefly British Miscellaneous stored articles.
【多用于英国】 杂乱堆砌的物件
v.（动词）
lum.bered,lum.ber.ing,lum.bers
v.tr.（及物动词）

To cut down (trees) and prepare as marketable timber.
砍伐，锯下…的木材：砍伐（树木）准备做可交易的木材
To cut down the timber of.
伐木：把…的主干砍下
Chiefly British To clutter with or as if with unused articles.
【多用于英国】 胡乱堆积：用或类似用没有用途的物件杂乱堆积
v.intr.（不及物动词）
To cut and prepare timber for marketing.
锯木料：把原木锯成木材以备出售

来源：
Perhaps from lumber 2
可能源自 lumber2

【引伸】
lum.ber
adj.（形容词）
lum.berer
n.（名词）

---------------另--------------
lumber
lumber 2

v.intr.（不及物动词）
lum.bered,lum.ber.ing,lum.bers
To walk or move with heavy clumsiness.See Synonyms at blunder
沉重地移动参见 blunder
To move with a rumbling noise.
发出隆隆声：移动时伴有隆隆的响声

来源：
Middle English lomeren
中古英语 lomeren
[possibly of Scandinavian origin] ; akin to Swedish dialectal loma [to move heavily]
[可能源于斯堪的纳维亚语] ；类似于 瑞典方言 loma [沉重地移动]

【引伸】
lum.beringly
adv.（副词）