Originally coffee literature referred to the fruit of the tree as a “berry” but in time it became a Either a flavor in the coffee, or referring to the fruit of the coffee tree, which somewhat resembles a red cherry.: Either a flavor in the coffee, or referring to the fruit of the coffee More. It is of course neither. Nor is the seed of the coffee a bean. All these terms are based on physical resemblance, subjective at that. In fact the coffee cherry is is a 2-seeded “drupe” fruit. Technically a stone fruit, the seeds are the coffee “beans”. However, if you squeeze open the coffee fruit you will find that there is hardly any “fruit” at all, but most of the drupe is filled by the two slippery seeds.