From The Collaborative International Dictionary of English v.0.48 [gcide]:
Lumbering \Lum"ber*ing\, n.
The business of cutting or getting timber or logs from the
forest for lumber. [U.S.]
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Lumber \Lum"ber\, 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]
From WordNet (r) 3.0 (2006) [wn]:
lumbering
adj 1: slow and laborious because of weight; "the heavy tread of
tired troops"; "moved with a lumbering sag-bellied trot";
"ponderous prehistoric beasts"; "a ponderous yawn" [syn:
heavy, lumbering, ponderous]
n 1: the trade of cutting or preparing or selling timber