LUMBERING
heavy, lumbering, ponderous
(adjective) 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”
lumbering
(noun) the trade of cutting or preparing or selling timber
Source: WordNet® 3.1
Noun
lumbering (countable and uncountable, plural lumberings)
The act of one who lumbers; heavy, clumsy movement.
(US) The business of felling trees for lumber.
Adjective
lumbering (comparative more lumbering, superlative most lumbering)
Clumsy or awkward.
Heavy, slow and laborious; ponderous.
Source: Wiktionary
Lum"ber*ing, n.
Definition: The business of cutting or getting timber or logs from the
forest for lumber. [U.S.]
LUMBER
Lum"ber, n. Etym: [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.]
They put all the little plate they had in the lumber, which is
pawning it, till the ships came. Lady Murray.
2. Old or refuse household stuff; things cumbrous, or bulky and
useless, or of small value.
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.] 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.
Lum"ber, b. t. [imp. & p. p. Lumbered; p. pr. & vb. n. Lumbering.]
1. To heap together in disorder. " Stuff lumbered together." Rymer.
2. To fill or encumber with lumber; as, to lumber up a room.
Lum"ber, v. i.
1. To move heavily, as if burdened.
2. Etym: [Cf. dial. Sw. lomra to resound.]
Definition: To make a sound as if moving heavily or clumsily; to rumble.
Cowper.
3. To cut logs in the forest, or prepare timber for market. [U.S.]
Source: Webster’s Unabridged Dictionary 1913 Edition