'Empyema' definitions:
Definition of 'empyema'
(from WordNet)
noun
A collection of pus in a body cavity (especially in the lung cavity)
Definition of 'Empyema'
From: GCIDE
- Empyema \Em`py*e"ma\, n. [NL., fr. Gr. ?, from ? to suppurate; ? in + ? pus.] (Med.) A collection of blood, pus, or other fluid, in some cavity of the body, especially that of the pleura. --Dunglison. [1913 Webster]
- Note: The term empyema is now restricted to a collection of pus in the cavity of the pleura. [1913 Webster]