WordNet sense 1 (any of several small trees and shrubs native to the tropical Old World yielding coffee beans):

coffee tree

WordNet sense 2 (a beverage consisting of an infusion of ground coffee beans):

java

WordNet sense 3 (a seed of the coffee tree; ground to make coffee):

coffee bean, coffee berry

WordNet sense 4 (a medium brown to dark-brown color):

chocolate, umber, burnt umber, deep brown