/ Dictionary / Index L lumber: Meaning and Definition of Find definitions for: lum•ber Pronunciation: (lum'bur), [key] — n. timber sawed or split into planks, boards, etc. miscellaneous useless articles that are stored away. —v.i. to cut timber and prepare it for market. to become useless or to be stored away as useless. —v.t. to convert (a specified amount, area, etc.) into lumber: We lumbered more than a million acres last year. to heap together in disorder. to fill up or obstruct with miscellaneous useless articles; encumber. lum•ber Pronunciation: (lum'bur), [key] — v.i. to move clumsily or heavily, esp. from great or ponderous bulk: overloaded wagons lumbering down the dirt road. to make a rumbling noise. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lumber (Thesaurus) lumbar puncture lumbering Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language