: a large cell where prisoners are detained until brought into court
Commonly called the "bullpen," the court lockup is behind the courtroom and is used as a holding area for prisoners … Bruce A, Scruton
2
a
: a place on a baseball field where pitchers warm up before they start pitching
In the bullpen, Goose Gossage is warming up. Tony Scherman
b
: the relief pitchers of a baseball team
After five innings Seattle led 14-2 and, with baseball's best bullpen waiting to protect the lead should starter Aaron Sele falter …Sports Illustrated
3
: an open work area not divided into offices
… an alternative to the traditional combination of private offices for the brass and bullpens for the workers. Carl Ruff
Example Sentences
Recent Examples on the WebHer model shows that these fault lines could be mitigated if players in the underrepresented group happened to be clustered together in similar roles (Latino players sitting together in the bull pen as relief pitchers, for example). Ben Rowen, The Atlantic, 15 June 2018 Chapter 3 Noah, After Trial Day 9 Noah waited alone in the bull pen, a secured detention area of room-like cells on the bottom floor of the courthouse. Lisa Scottoline, Philly.com, 10 Apr. 2018 With Archie Bradley, Andrew Chafin, Zack Godley and Randall Delgado all in the mix, the bullpen took the bull pen, filing in one at a time, as the numbers on the scale went up. Katherine Fitzgerald, azcentral, 22 Mar. 2018 Now enter Ricketts from the Cubs' ownership bull pen to replace Wynn in the lead fund-raising position for the RNC. Ryan Smith, Chicago Reader, 31 Jan. 2018