thoracostomy

[ thawr-uh-kos-tuh-mee, thohr- ]
/ ˌθɔr əˈkɒs tə mi, ˌθoʊr- /

noun, plural tho·ra·cos·to·mies. Surgery.

the construction of an artificial opening through the chest wall, usually for the drainage of fluid or the release of an abnormal accumulation of air.
the opening so constructed.

Origin of thoracostomy

Medical definitions for thoracostomy

thoracostomy
[ thôr′ə-kŏstə-mē ]

n.

The surgical formation of an opening into the chest cavity.