DCHP-1 Online
bull pen Lumbering 
that part of a river, lake, or ocean where logs are dumped to be gathered into booms (def. 3), or where booms and rafts of logs are held.
See also: boom ((1)) ((n.)) (def. 3) booming ground(s) ((2))
- 1952 The men who makeup the booms in the "bull-pen" wear sharply caulked boots that enable them to walk and run over the slippery rolling logs as nimbly as cats. They push the logs into place between the side and end boom sticks with long pike poles.
- 1952 The men who makeup the booms in the "bull-pen" wear sharply caulked boots that enable them to walk and run over the slippery rolling logs as nimbly as cats. They push the logs into place between the side and end boom sticks with long pike poles.