Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bullpen

2 senses of bullpen

Sense 1
bullpen -- (a place on a baseball field where relief pitchers can warm up during a game)
       => area -- (a part of a structure having some specific characteristic or function; "the spacious cooking area provided plenty of room for servants")

Sense 2
bullpen, detention cell, detention centre -- (a large cell where prisoners (people awaiting trial or sentence or refugees or illegal immigrants) are confined together temporarily)
       => cell, jail cell, prison cell -- (a room where a prisoner is kept)