'Melena' definitions:

Definition of 'melena'

From: WordNet
noun
Abnormally dark tarry feces containing blood (usually from gastrointestinal bleeding) [syn: melena, melaena]

Definition of 'Melena'

From: GCIDE
  • Melena \Me*le"na\, n. (Med.) See Melaena. [1913 Webster]