lumber

from The Century Dictionary.

• To make a heavy rumbling noise; rumble: chiefly in the present participle.
• To move heavily or cumbrously: chiefly in the present participle.
• To stumble. Also lumper.
• noun Things, more or less bulky and cumbersome, thrown aside (or which may be thrown aside) as of no present use or value.
• noun Timber sawed or split for use, as beams, joists, boards, planks, staves, hoops, and the like.
• noun Useless and cumbersome weight, bulk, etc.
• noun Foolish or ribald talk.
• noun Harm; mischief.
• To put in pawn; hence, to put in prison.
• noun A pawnbroker's shop.
• noun A pledge; a pawn.
• To heap together in disorder.
• To fill with lumber; encumber with anything useless: as, to lumber a room: often with up.
• To cut timber in the forest and prepare it for market.

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete A pawnbroker's shop, or room for storing articles put in pawn; hence, a pledge, or pawn.
• noun Old or refuse household stuff; things cumbrous, or bulky and useless, or of small value.
• noun U.S. Timber sawed or split into the form of beams, joists, boards, planks, staves, hoops, etc.; esp., that which is smaller than heavy timber.
• noun [U.S.] a room in which timber or lumber is dried by artificial heat.
• noun [U.S.] a room in which unused furniture or other lumber is kept.
• noun a heavy rough wagon, without springs, used for general farmwork, etc.
• noun lumber, usually of pine, which is sold as beams or planks having a specified nominal cross-section, usually in inches, such a two-by-four, two-by-six, four-by-four, etc.
• intransitive verb To move heavily, as if burdened.
• intransitive verb To make a sound as if moving heavily or clumsily; to rumble.
• intransitive verb U.S. To cut logs in the forest, or prepare timber for market.
• transitive verb To heap together in disorder.
• transitive verb To fill or encumber with lumber.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun uncountable Wood intended as a building material.
• noun Useless things that are stored away
• verb intransitive to move clumsily
• verb transitive to load down with things, to fill, to encumber

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb cut lumber, as in woods and forests
• noun an implement used in baseball by the batter
• noun the wood of trees cut and prepared for use as building material
• verb move heavily or clumsily