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bullpen

1 ENTRIES FOUND:
bullpen /ˈbʊlˌpɛn/ noun
plural pens
bullpen
/ˈbʊlˌpɛn/
noun
plural pens
Britannica Dictionary definition of BULLPEN
[count]
: a place on a baseball field where pitchers practice throwing the ball before they start pitching in a game
: the pitchers on a baseball team who can replace another pitcher during a game