DCHP-1 Online
bag boom Esp. West Coast 
a type of boom (def. 3b) used in towing logs, especially pulp sticks, loosely packed and enclosed by linked boom logs. Such a boom assumes a baglike shape under tow. See picture at boom.
See also: bag (def. 2) boom ((1)) ((v.))
- 1958 Trucks rolling on sixteen powerful tires to dump tons of 20- to 30-foot logs into bag booms pounded its gravel to powder.
- 1958 Bag booms filled with millions of feet of logs pattern their harbours.
- 1958 Trucks rolling on sixteen powerful tires to dump tons of 20- to 30-foot logs into bag booms pounded its gravel to powder.