lumber UK /ˈlʌm.bə/US /ˈlʌm.bɚ/noun 6verb 5forms 3phrases 1 noun6 •(US, Canada) Wood sawn into planks or otherwise prepared for sale or use, especially as a building material.4 December 1883, Chester A. Arthur, Third State of the Union Address The resources of Alaska, especially in fur, mines, and lumber, are considerable in extent and capable of large development, while its geographical situation is one of political and commercial importance. •(figurative) Useless or cumbrous material.The bookful blockhead ignorantly read, / With loads of learned lumber in his head,[…] — 1711 •(slang) A baseball bat. •(slang, vulgar) An erect penis. •(no longer used) Old furniture or other items that take up room, or are stored away. •(no longer used) A pawnbroker's shop, or room for storing articles put in pawn; hence, a pledge, or pawn.They put all the little plate they had […] in the lumber, which is pawning it, till the ships came. — 1746 verb5 •To move clumsily and heavily; to move slowly....he was only apprized of the arrival of the Monkbarns division by the gee-hupping of the postilion, as the post-chaise lumbered up behind him. — 1816 •To load down with things, to fill, to encumber, to impose an unwanted burden on.They’ve lumbered me with all these suitcases.I got lumbered with that boring woman all afternoon. •To fill or encumber with lumber. •To heap together in disorder. •(slang, no longer used) To pawn (goods). formslumbered · lumbering · lumbers Phrases with lumber lumber withTo be required to interact with (someone) despite them being an annoyance, burden or problem.