Definitions

from The Century Dictionary.

  • To let out or release from being penned or dammed up; set free from a pen or confinement.
  • To deprive of feathers.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To release from a pen or from confinement.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To release from a pen.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

un- +‎ pen

Examples

  • Once at 7K I quoted to him from Keats 'Endymion the lines about those people who "unpen their baaing vanities to browse away the comfortable green and juicy hay from human pastures."

    The Private Life of Henry Maitland

Comments

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