DCHP-1 Online
lead boom [lid] Lumbering, Obs. 
a small boom having one end anchored to the shore and the other swinging out into the stream to direct logs into a holding boom.
See also: holding boom sheer-boom
- 1958 J. D. Roberts, woods manager, pointed out that the portion which broke was the lead or "sheer " boom and not the main holding boom . . . into which the floating logs are funnelled by the lead booms.
- 1958 J. D. Roberts, woods manager, pointed out that the portion which broke was the lead or "sheer " boom and not the main holding boom . . . into which the floating logs are funnelled by the lead booms.