'Melaena' definitions:
Definition of 'melaena'
From: WordNet
noun
Abnormally dark tarry feces containing blood (usually from gastrointestinal bleeding) [syn: melena, melaena]
Definition of 'Melaena'
From: GCIDE
- Melaena \Me*lae"na\, n. [NL., fr. Gr. me`las, m., me`laina, f., black.] (Med.) A discharge from the bowels of black matter, consisting of altered blood. [1913 Webster]