bullpen

Noun

bullpen (plural bullpens)

1. An enclosed area used to hold bulls.
   • Magnus and Big Dick are over in the bullpen, ready for tonight's rodeo.
2. An enclosed area for pitchers to warm up in during a game.
   • After that hit, there is activity in the bullpen.
   • Now the bullpens are hidden away underneath the bleachers, out of sight and sound.2017 July 5, Billy Witz, “Camaraderie of Wrigley Field Bullpens Is Tangled Amid the Ivy”, in The New York Times
3. The relief pitchers of a team collectively.
   • Their bullpen is worn out after yesterday's doubleheader where both games went 12 innings.
4. (figuratively) A place for someone or something to get ready.
   • If this team of consultants fails, I have another warming up in the bullpen.
5. An open seating arrangement where project teams can communicate openly with minimal effort.
   • We have our sales team in a bullpen setup to keep their energy flowing.
6. (US, slang) A military prison or its enclosing stockade.