Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "melaena" in a sentence
"The petechiae may give way to ecchymoses (like a petechial rash, but covering larger areas) and other haemorrhagic phenomena such as melaena (bleeding from the upper bowel, passed as altered blood in the faeces), haematuria (blood in the urine), epistaxis"
"The most important are humpback (Megaptera novaeangliae), fin, minke, sei, sperm, and pilot whales (Globicephala melaena)."
"Baleen whales like bowhead (Balaena mysticetus), minke, fin, grey (Eschrichtius robustus), pilot (Globicephala melaena), and other larger whales are also a valued source of food."