- a place where relief pitchers warm up during a game.
- the relief pitchers on a team.
- a large cell or room, usually next to the courtroom, where prisoners are temporarily held.
- a large room in an office occupied by many employees.
- any temporary or crowded quarters, as sleeping quarters in a lumber camp.
- a pen for a bull or bulls.
Origin of bull pen
1800–10, Americanism for def 4; 1920–25 for def 1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bullpen
To Palmer, the coincidence of his bullpen exile and his return to form was galling.Will the Real Jim Palmer Please Stand Up
September 27, 2014
You know, he does the same thing in Dallas Buyers Club in the bullpen!True Detective Director Cary Fukunaga’s Journey from Pro Snowboarder to Hollywood’s Most Wanted
February 26, 2014
Eventually it got to be too much and NBC had to go to the bullpen.The Good, the Bad, and the Pink Eye
February 23, 2014
Senators manager Bucky Harris signaled to the bullpen to send in a right-hander named Paul Hopkins.Babe Ruth’s Summer of Records
September 29, 2013
When Strauss-Kahn crossed that bridge, he was delivered to Intake—or, as we inmates call it, “the bullpen.”Dominique Strauss-Kahn's Life in Jail at Rikers Island
May 17, 2011
When in the "bullpen" Schrank's fellow prisoners shrank away from him.
- US informal a large cell where prisoners are confined together temporarily
- baseball a part of a baseball field where relief pitchers warm up
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for bullpen
Online Etymology Dictionary, © 2010 Douglas Harper