English Reference
noun · verb

pen

n. · v.
US /ˈpɛn/ UK /pˈɛn/ pen UK spelling penning

  1. 01 A1 Beginner

    n.a tool that uses ink to write or draw on paper.

    n.an instrument for writing or drawing with ink, typically consisting of a metal nib or ball point fitted into a metal or plastic holder.

    Simple

    He reached into his pocket to find a pen so he could sign the document.

    In context

    The executive signed the multi-million dollar contract with a vintage fountain pen, a gift from his father upon his graduation.

    Pitfall
    I wrote the letter with a pen. I wrote the letter in pen.

    Use 'in pen' to describe the medium (ink), but 'with a pen' to describe the specific tool used.

    ballpointfountain pen
  2. 02 B1 Intermediate Zoology

    n.a small area with a fence around it used for keeping animals like sheep or pigs.

    n.a small enclosure for livestock or other domestic animals.

    Simple

    The farmer kept the young lambs in a separate pen near the barn.

    In context

    The sheep were gathered into a holding pen while the veterinarian performed the annual health inspections.

  3. 03 B2 Upper Intermediate Medicine

    n.a device shaped like a pen used to give yourself medicine, like insulin.

    n.a medical device designed to deliver a specific dose of medication via a needle, often used for insulin or epinephrine.

    Simple

    She always carries an insulin pen in her bag in case her blood sugar gets too high.

    In context

    The patient was instructed on how to use the epinephrine pen immediately if they experienced any signs of an allergic reaction.

    injectorautoinjector
  4. 04 C1 Advanced InformalSlangAmerican English

    n.a slang word for a prison.

    n.a shortened form of 'penitentiary', used to refer to a state or federal prison.

    Simple

    He spent five years in the pen before being released for good behavior.

    In context

    After a decade in the state pen, the former inmate struggled to adapt to the rapid technological changes of the outside world.

  5. 05 C2 Proficiency Technical Zoology

    n.the name for a female swan.

    n.the adult female of the swan.

    Simple

    The pen sat on her nest while the male swan guarded the area.

    In context

    Ornithologists observed the pen carefully tending to her cygnets while the cob patrolled the perimeter of the lake.

    cob
  6. 06 B2 Upper Intermediate FormalLiterary

    v.to write something, especially a letter or a book.

    v.to compose and write a text; often used in formal or literary contexts.

    Simple

    She decided to pen a short note to thank her hosts for the lovely weekend.

    In context

    The poet spent his final years in a secluded cottage, where he penned his most celebrated collection of sonnets.

  7. 07 B2 Upper Intermediate

    v.to put animals into a small fenced area.

    v.to confine or shut in an animal or person within an enclosure.

    Simple

    The cattle were penned up for the night to keep them safe from predators.

    In context

    The protesters felt penned in by the heavy police presence at the edge of the square.

    Usage

    Often used with the particle 'up' as 'pen up'.

Usage pen to paper

This entry
Level A1 · Beginner
Frequency Common
Updated