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.