• vi. 伐木；喧闹地向前走；笨重地行动，缓慢地移动
• vt. 砍伐木材；乱堆
• n. 木材；废物，无用的杂物；隆隆声

来自lame,跛的，-er,表反复，引申词义吃力的走。木材义词源不详，可能来自timber,字母t,l音变，比较language,tongue,并由木材引申词义大件物品等。

lumber

lumber: [14] Swedish has a dialectal verb loma ‘move heavily’, which is the only clue we have to the antecedents of the otherwise mysterious English verb lumber. The noun, too, which first appears in the 16th century, is difficult to account for. In the absence of any other convincing candidates, it is presumed to have been derived from the verb (its earliest recorded sense is ‘useless or inconvenient articles’, plausibly close to the verb; ‘cut timber’ did not emerge until the 17th century, in North America).

lumber (n.)

"timber sawn into rough planks," 1660s, American English (Massachusetts), earlier "disused bit of furniture; heavy, useless objects" (1550s), probably from lumber (v.), perhaps influenced by Lombard, from the Italian immigrants famous as pawnbrokers and money-lenders in England (see Lombard). Lumbar, Lumbard were old alternative forms of Lombard in English. The evolution of sense then would be because a lumber-house ("pawn shop") naturally accumulates odds and ends of furniture.

Live Lumber, soldiers or passengers on board a ship are so called by the sailors. [Grose, "Dictionary of the Vulgar Tongue," 1785]

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LUMBER HOUSE. A house appropriated by thieves for the reception of their stolen property. ["Dictionary of Buckish Slang, University Wit, and Pickpocket Eloquence," London, 1811]

lumber (v.)

"to move clumsily," c. 1300, lomere, probably from a Scandinavian source (compare dialectal Swedish loma "move slowly, walk heavily," Old Norse lami "lame"), ultimately cognate with lame (adj.). Related: Lumbered; lumbering.

1. It was made of soft lumber, spruce by the look of it.

其制作材料是软木，看起来像是云杉。

来自柯林斯例句

2. The truck was sent to carry lumber.

卡车被派出去运木材.

来自《简明英汉词典》

3. He was going to have to purchase all his lumber at full retail price.

他将不得不把所有木材按零售价分文不少地买下来。

来自柯林斯例句

4. Forested areas have been expanding every year, with the increase in standing timber greater than that of felled lumber.

森林面积每年都在增加,林木生长量大于消耗量.

来自《简明英汉词典》

5. " Oh, are you going to the lumber yard? "

" 唔, 你要到木料场去?

来自飘（部分）