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1. matter expelled from the stomach by the mouth.
2. to eject stomach contents through the mouth.
black vomit vomit consisting of blood that has been acted upon by the gastric juice, seen in yellow fever and other conditions in which blood collects in the stomach.
coffee-ground vomit dark granular material ejected from the stomach, produced by mixture of blood with gastric contents; it is a sign of bleeding in the upper alimentary canal.
Vomit having the appearance and consistency of coffee grounds because of blood mixed with gastric contents. It can occur in any condition associated with hemorrhage into the stomach.
See also: vomit