the trade of cutting or preparing or selling timber
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"
- Some lumbering tank would suddenly make an unbelievably tight turn.
- I knew how common it was for these lumbering giants to be gashed by boat propellers.
- Lumbering is very important in some underdeveloped countries.