Melaena

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]



From WordNet (r) 2.0 [wn]:

  melaena
       n : abnormally dark tarry feces containing blood (usually from
           gastrointestinal bleeding) [syn: {melena}]