from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A condition marked by black, tarry stool or vomit composed largely of blood that has been acted on by gastric juices, resulting from a hemorrhage along the digestive tract.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A passage of dark, tarry stools containing blood, as the result of upper gastrointestinal bleeding.
from the GNU version of the Collaborative International Dictionary of English
- n. See melæna.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. abnormally dark tarry feces containing blood (usually from gastrointestinal bleeding)
New Latin melēna, from Greek melaina, feminine of melās, black.(American Heritage® Dictionary of the English Language, Fourth Edition)