- bullpen - a place on a baseball field where relief pitchers can warm up during a game
--1 is a kind of area
--1 is a part of ballpark, park- bullpen, detention cell, detention centre - a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily
--2 is a kind of cell, jail cell, prison cell
- bullpen, detention cell, detention centre - a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily