melaenaPronunciation: /mɪˈliːnə/ (also melena)Definition of melaena noun [mass noun] Medicine the production of dark sticky faeces containing partly digested blood, as a result of internal bleeding or the swallowing of blood. Origin: early 19th century: modern Latin, from Greek melaina, feminine of melas 'black'melaena in other Oxford dictionaries Definition of melaena in the US English dictionary
