bull pen

noun
1.
Baseball.
a.
a place where relief pitchers warm up during a game.
b.
the relief pitchers on a team.
2.
Informal.
a.
a large cell or room, usually next to the courtroom, where prisoners are temporarily held.
b.
a large room in an office occupied by many employees.
3.
any temporary or crowded quarters, as sleeping quarters in a lumber camp.
4.
a pen for a bull or bulls.
Also, bullpen.


Origin:
1800–10, Americanism for def 4; 1920–25 for def 1

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Example sentences
No one should enter a bull pen when the bull is loose.
The crowd in the bull pen was quite large yesterday, and the elements were varied.
Unlock him at seven in the morning, and let him come to the bull pen.
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