Definitions from Wiktionary (lumber)

▸ noun:  (Canada, US) Wood sawn into planks or otherwise prepared for sale or use, especially as a building material.
▸ noun:  (now rare) Old furniture or other items that take up room, or are stored away.
▸ noun:  (figurative) Useless or cumbrous material.
▸ noun:  (obsolete) A pawnbroker's shop, or room for storing articles put in pawn; hence, a pledge, or pawn.
▸ noun:  (baseball, slang) A baseball bat.
▸ noun:  (vulgar, slang) An erect penis.
▸ verb:  (intransitive) To move clumsily and heavily; to move slowly.
▸ verb:  (transitive, with with) To load down with things, to fill, to encumber, to impose an unwanted burden on.
▸ verb:  To heap together in disorder.
▸ verb:  To fill or encumber with lumber.
▸ verb:  (transitive, slang, obsolete) To pawn (goods).

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