'Thoracentesis' definitions:
Definition of 'thoracentesis'
From: WordNet
noun
Removal of fluid from the chest by centesis for diagnostic or therapeutic purposes [syn: thoracocentesis, thoracentesis]
Definition of 'Thoracentesis'
From: GCIDE
- Thoracentesis \Tho`ra*cen*te"sis\, n. [NL., fr. Gr. ? thorax + ? pricking, from ? to prick, stab.] (Surg.) The operation of puncturing the chest wall so as to let out liquids contained in the cavity of the chest. [1913 Webster]