bull pen

or bull·pen



  1. a place where relief pitchers warm up during a game.
  2. the relief pitchers on a team.
  1. a large cell or room, usually next to the courtroom, where prisoners are temporarily held.
  2. a large room in an office occupied by many employees.
any temporary or crowded quarters, as sleeping quarters in a lumber camp.
a pen for a bull or bulls.

Origin of bull pen

1800–10, Americanism for def 4; 1920–25 for def 1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bull pen

Historical Examples of bull pen

  • Jack was still excluded from the favorite game of “bull-pen.”

    The Hoosier School-boy

    Edward Eggleston

  • I stuck her over there in the bull-pen and then I come straight to you.

    Local Color

    Irvin S. Cobb

  • Into this bull-pen, as it was called, Black ushered Carney by the light of a candle.

    Bulldog Carney

    W. A. Fraser

  • So I said, “Lodgers are often forced into the bull-pen, too, are they not?”


    Edwin A. Brown

  • Behind this stand the bull-pen, and the profits and rentals go to the Church.

    Woman, Church & State

    Matilda Joslyn Gage