bullpen

名词noun

1. 1An enclosed area used to hold bulls.
2. 2(baseball) An enclosed area for pitchers to warm up in during a game.
3. 3(baseball) The relief pitchers of a team collectively.
4. 4figurativeA place for someone or something to get ready.
5. 5An open seating arrangement where project teams can communicate openly with minimal effort.
6. 6(US, military slang) A military prison