Definitions of pen:

  • noun:   female swan
  • noun:   a writing implement with a point from which ink flows
  • noun:   an enclosure for confining livestock
  • noun:   a correctional institution for those convicted of major crimes
  • noun:   a portable enclosure in which babies may be left to play
  • verb:   produce a literary work
  • name:  A surname (very rare: popularity rank in the U.S.: #25244)