bull pen

or bull·pen


noun

Baseball.
  1. a place where relief pitchers warm up during a game.
  2. the relief pitchers on a team.
Informal.
  1. a large cell or room, usually next to the courtroom, where prisoners are temporarily held.
  2. 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. 2019

Examples from the Web for bullpen

British Dictionary definitions for bullpen

bullpen

/ (ˈbʊlˌpɛn) /

noun

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