from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a hernia or air-filled cyst within the lung
  • n. a gaseous swelling, especially within the scrotum

from the GNU version of the Collaborative International Dictionary of English

  • n. A distention of the scrotum by air; also, hernia of the lungs.

from The Century Dictionary and Cyclopedia

  • n. A tumor or hernia containing air or gas; specifically, hernia of a portion of the lung through an intercostal space.


Sorry, no etymologies found.


  • A CT scan showed a developing pneumatocele, a walled-off, air-filled space inside her lung.



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