a. Of or pertaining to lumbago. [ 1913 Webster ]

n. [ L., fr. lumbus loin. See Lumbar. ] (Med.) A rheumatic pain in the loins and the small of the back. [ 1913 Webster ]

{ } a. [ L. lumbus loin. See Loin. ] (Anat.) Of, pertaining to, or near, the loins; as, the lumbar arteries. [ 1913 Webster ]

Lumbar region (Anat.), the region of the loin; specifically, a region between the hypochondriac and iliac regions, and outside of the umbilical region. [ 1913 Webster ]

v. t. [ imp. & p. p. Lumbered p. pr. & vb. n. Lumbering. ] 1. To heap together in disorder. “ Stuff lumbered together.” Rymer. [ 1913 Webster ]

2. To fill or encumber with lumber; as, to lumber up a room. [ 1913 Webster ]

v. i. 1. To move heavily, as if burdened. [ 1913 Webster ]

2. [ Cf. dial. Sw. lomra to resound. ] To make a sound as if moving heavily or clumsily; to rumble. Cowper. [ 1913 Webster ]

3. To cut logs in the forest, or prepare timber for market. [ U.S. ] [ 1913 Webster ]

n. [ Prob. fr. Lombard, the Lombards being the money lenders and pawnbrokers of the Middle Ages. A lumber room was, according to Trench, originally a Lombard room, or room where the Lombard pawnbroker stored his pledges. See Lombard. ] 1. A pawnbroker's shop, or room for storing articles put in pawn; hence, a pledge, or pawn. [ Obs. ] [ 1913 Webster ]

They put all the little plate they had in the lumber, which is pawning it, till the ships came. Lady Murray. [ 1913 Webster ]

2. Old or refuse household stuff; things cumbrous, or bulky and useless, or of small value. [ 1913 Webster ]

3. Timber sawed or split into the form of beams, joists, boards, planks, staves, hoops, etc.; esp., that which is smaller than heavy timber. [ U.S. ] [ 1913 Webster ]

Lumber kiln, a room in which timber or lumber is dried by artificial heat. [ U.S. ] --
Lumber room, a room in which unused furniture or other lumber is kept. [ U.S. ] --
Lumber wagon, a heavy rough wagon, without springs, used for general farmwork, etc. --
dimensional lumber, 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. [ 1913 Webster +PJC ]

n. One employed in lumbering, cutting, and getting logs from the forest for lumber; a lumberman. [ U.S. ] [ 1913 Webster ]

Lumberers have a notion that he (the woodpecker) is harmful to timber. Lowell. [ 1913 Webster ]

n. The business of cutting or getting timber or logs from the forest for lumber. [ U.S. ] [ 1913 Webster ]

n. 1. a person who works at lumbering; a lumberman.
Syn. -- lumberman, timberman. [ WordNet 1.5 ]

2. (Zool.) The grey jay. [ Canadian ] [ PJC ]

n.; pl. Lumbermen One who is engaged in lumbering as a business or employment. [ U.S. ] [ 1913 Webster ]