| coffee | <botany> Rubiaceous trees or shrubs, coffea arabica and c. Robusta, that yield caffeine and theophylline. Ground beans or seeds are infused with water to make beverage. (12 Dec 1998) |
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| coffee-ground vomit | <gastroenterology, symptom> Vomit consisting of fresh or old blood. See: black vomit. (05 Mar 2000) |