English Dictionary

pen

/pɛn/

noun

An enclosure (enclosed area) used to contain domesticated animals, especially sheep or cattle. / (slang) Penitentiary, i.e. a state or federal prison for convicted felons. / (baseball) The bullpen.

I lost my pen.

意味（1）

An enclosure (enclosed area) used to contain domesticated animals, especially sheep or cattle.

There are two steers in the third pen.

意味（2）

(slang) Penitentiary, i.e. a state or federal prison for convicted felons.

They caught him with a stolen horse, and he wound up in the pen again.

意味（3）

(baseball) The bullpen.

Two righties are up in the pen.